{"product_id":"the-folded-horizon-k21max-brushless-drone","title":"The Folded Horizon | K21MAX Brushless Drone with Screen Remote and Dual EIS Cameras","description":"\u003cdiv class=\"product-narrative\"\u003e\n\u003cp\u003eThe difference between a drone you fly twice and a drone you keep in the car is almost never the camera. It is whether the machine is still stable on the third battery, when the wind has picked up and the operator has stopped concentrating. That stability comes from the motors, and it is the single part of a beginner quadcopter where the specification genuinely divides the market.\u003c\/p\u003e\n\u003cp\u003eThis one runs brushless motors rather than the brushed units found on most sub-hundred-dollar drones. Brushless means less friction, which produces three things you notice immediately: lower running noise, more thrust per watt, and a service life measured in hundreds of flights rather than dozens. The control side is just as deliberate. A screen remote means you can frame and monitor without clamping a phone into a mount, and dual EIS cameras on the front and underside carry a 90 degree electric adjustment, so the same airframe can shoot forward or straight down without a manual gimbal.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA folding drone is a promise about where you will take it. Brushless motors are the reason you still want it six months later.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr style=\"margin: 26px 0; border: 0; border-top: 1px solid #ececec;\"\u003e\n\u003cdiv class=\"product-features\"\u003e\n\u003ch3\u003eWhere The Money Actually Went\u003c\/h3\u003e\n\u003cul style=\"list-style: none; padding: 0; margin: 0;\"\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e✦ Four brushless motors: quieter running, higher thrust, better wind resistance, far longer service life than brushed drones\u003c\/li\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e✦ Dual EIS camera system on the front and underside with 90 degree electric angle adjustment\u003c\/li\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e✦ Optical flow positioning for stable hover without GPS lock\u003c\/li\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e✦ Colourful RGB strips on all four motor arms and the fuselage for visual orientation at night\u003c\/li\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e✦ Screen remote control, so no phone mount or pairing step is needed to fly\u003c\/li\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e✦ Headless mode and one-key takeoff and landing for new pilots\u003c\/li\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e✦ Foldable airframe at 390 grams with level 2 wind resistance, supplied with a storage bag and spare propellers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr style=\"margin: 26px 0; border: 0; border-top: 1px solid #ececec;\"\u003e\n\u003cdiv class=\"product-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul style=\"list-style: none; padding: 0; margin: 0;\"\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e ZNLYRION\u003c\/li\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e K21MAX\u003c\/li\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e\n\u003cstrong\u003eMotors:\u003c\/strong\u003e Brushless, four arm mounted\u003c\/li\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e\n\u003cstrong\u003eCamera System:\u003c\/strong\u003e Dual EIS cameras, front and bottom, 90 degree electric adjustment\u003c\/li\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e\n\u003cstrong\u003eCamera Mount:\u003c\/strong\u003e Fixed mount with electric adjustment\u003c\/li\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e\n\u003cstrong\u003ePositioning:\u003c\/strong\u003e Optical flow hover\u003c\/li\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e\n\u003cstrong\u003eRemote Control:\u003c\/strong\u003e Screen remote, 4 channels, MODE2 layout\u003c\/li\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e\n\u003cstrong\u003eRemote Battery:\u003c\/strong\u003e AA dry cell\u003c\/li\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e\n\u003cstrong\u003eDrone Weight:\u003c\/strong\u003e 390 g\u003c\/li\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e\n\u003cstrong\u003eFlight Battery:\u003c\/strong\u003e 3.7V 500mAh rechargeable, included\u003c\/li\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e\n\u003cstrong\u003eCharging Time:\u003c\/strong\u003e 60 to 80 minutes\u003c\/li\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e\n\u003cstrong\u003eWind Resistance:\u003c\/strong\u003e Level 2\u003c\/li\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e\n\u003cstrong\u003eLighting:\u003c\/strong\u003e RGB LED strips on four arms and fuselage\u003c\/li\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e\n\u003cstrong\u003eBeginner Functions:\u003c\/strong\u003e Headless mode, one-key takeoff and landing, app control\u003c\/li\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e\n\u003cstrong\u003eIn the Box:\u003c\/strong\u003e Drone, screen remote, battery, USB charging cable, spare propellers, screwdriver, storage bag, manual, gift box\u003c\/li\u003e\n\u003cli style=\"padding: 7px 0; border-bottom: 1px solid #f2f2f2;\"\u003e\n\u003cstrong\u003eAerial Photography:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr style=\"margin: 26px 0; border: 0; border-top: 1px solid #ececec;\"\u003e\n\u003cdiv class=\"product-applications\"\u003e\n\u003ch3\u003eWho Flies This\u003c\/h3\u003e\n\u003cp\u003eThe first audience is someone moving up from a toy quadcopter. Headless mode removes the disorientation that makes most first flights end in a hedge, and optical flow hover holds the aircraft in place even when there is no GPS lock, which is what makes indoor flying practical. One-key takeoff and landing means the two hardest moments of a flight are handled by the drone rather than the pilot.\u003c\/p\u003e\n\u003cp\u003eThe second is the casual aerial photographer. Dual cameras with electric adjustment mean you can switch between forward-facing video and a straight-down shot without landing, and EIS stabilisation is what keeps the footage usable when the wind is up. The screen remote removes the awkward phone-mount step that most beginners abandon, and the RGB strips make the aircraft easy to see against a grey sky, which is a safety feature as much as a visual one.\u003c\/p\u003e\n\u003cp\u003eThe third, less obvious, use is field work: roof and gutter inspections, checking a solar array, documenting a small construction site, or getting a view of livestock on open land. Level 2 wind resistance and a folding airframe that travels in the supplied bag make it the right size for that job. If you are buying for a business rather than a hobby, tell us and we will confirm the shipping option that lands nearest your service area.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr style=\"margin: 26px 0; border: 0; border-top: 1px solid #ececec;\"\u003e\n\u003cdiv class=\"product-faq\"\u003e\n\u003ch3\u003eQuestions From New Pilots\u003c\/h3\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need a licence to fly it?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRegulations vary by country and by weight class. At 390 grams it sits under the sub-250g exemption in some jurisdictions and above it in others, so check your local rules before flying in controlled airspace. For private land and low-level recreational flight, most regions require registration rather than a formal licence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can it record video from both cameras at once?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe dual camera system covers front and bottom views with a 90 degree electric adjustment. Which stream you record is selected in the app, so you frame the shot you want before you start.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How long does a battery last?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBudget for a short flight per battery and buy spares. The full charge takes 60 to 80 minutes, which is why a set of extra cells is the first accessory worth adding.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does it need a phone as well as the remote?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The screen remote gives you the feed and the controls in one unit. The app adds extra settings and flight modes if you want to use a phone as well.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will it fly in wind?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is rated to level 2 wind resistance, which covers a light breeze. Above that the optical flow hover will start working harder and the footage will show it, so keep to calmer conditions if you want clean video.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What happens if I lose orientation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePress headless mode. The controls lock to your position rather than the aircraft heading, so pulling back brings the drone towards you regardless of which way the nose is pointing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it easy to fly indoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Optical flow positioning is the reason it can hold a stable hover without GPS, which is what makes indoor flight predictable. Keep clear of curtains and ceiling fans, and fly in one of the slower speed settings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is included out of the box?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe drone, screen remote, rechargeable flight battery, USB charging cable, spare propellers, screwdriver, storage bag, user manual and a colour gift box, so it is flyable without a second purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-gallery\" style=\"margin-top: 30px; text-align: center;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S3024bb1f153f4beeb71e22b00a6b088cB.webp?v=1791342818\" alt=\"\" style=\"max-width:100%;height:auto;margin:0 0 14px 0;border-radius:6px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sffe95244de0f4e7483b05aae9f6949a8A.webp?v=1791342818\" alt=\"\" style=\"max-width:100%;height:auto;margin:0 0 14px 0;border-radius:6px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S8516f6edffa4424a9d0f7d38c9a21fb44.webp?v=1791342818\" alt=\"\" style=\"max-width:100%;height:auto;margin:0 0 14px 0;border-radius:6px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S5c98c23af0954134bf84365a7c2b1ce6p.webp?v=1791342818\" alt=\"\" style=\"max-width:100%;height:auto;margin:0 0 14px 0;border-radius:6px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S596eb77c0e8749d58ed3fab917d44629E.webp?v=1791342819\" alt=\"\" style=\"max-width:100%;height:auto;margin:0 0 14px 0;border-radius:6px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Se8215bb2377148dd918f2e640d61b9cfW.webp?v=1791342818\" alt=\"\" style=\"max-width:100%;height:auto;margin:0 0 14px 0;border-radius:6px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S241399e5c586402cb81a9f27a6ba8aa4o_e3bf1bb8-6c49-49b7-b151-cc33fa1708e9.webp?v=1791342819\" alt=\"\" style=\"max-width:100%;height:auto;margin:0 0 14px 0;border-radius:6px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Se8215bb2377148dd918f2e640d61b9cfW_07fdbc93-166b-4e3c-9bed-0e88389c8862.webp?v=1791342819\" alt=\"\" style=\"max-width:100%;height:auto;margin:0 0 14px 0;border-radius:6px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S241399e5c586402cb81a9f27a6ba8aa4o.webp?v=1791342818\" alt=\"\" style=\"max-width:100%;height:auto;margin:0 0 14px 0;border-radius:6px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S8516f6edffa4424a9d0f7d38c9a21fb44_82cd112c-b95d-4e13-b68d-3931dffdd144.webp?v=1791342818\" alt=\"\" style=\"max-width:100%;height:auto;margin:0 0 14px 0;border-radius:6px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sf38f4e7f786b4f5eaf9c8992733577c3J.webp?v=1791342818\" alt=\"\" style=\"max-width:100%;height:auto;margin:0 0 14px 0;border-radius:6px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S88673a3a7bcd4e67972185b795e2191eu.webp?v=1791342818\" alt=\"\" style=\"max-width:100%;height:auto;margin:0 0 14px 0;border-radius:6px;\"\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Product\",\"name\":\"The Folded Horizon | K21MAX Brushless Drone with Screen Remote and Dual EIS Cameras\",\"description\":\"The difference between a drone you fly twice and a drone you keep in the car is almost never the camera. It is whether the machine is still stable on the third battery, when the wind has picked up and the operator has stopped concentrating. 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