Product overview
The Holy Stone HS440D is a GPS training drone designed for teens, beginners and backyard flying, with a camera for aerial photography and first-person viewing. Its compact, foldable construction measures 291× 207 × 60 mm unfolded and 123× 93 × 60 mm folded, with a weight of 195g/6.8oz. One Key Takeoff/Landing, Emergency Stop, Headless Mode and Altitude Hold support flight control, while two selectable speeds offer different operating settings. Follow Me, Waypoint Fly and Point of Interest provide GPS flight modes.
The camera combines a 120° field of view with a 90° adjustable lens. It captures 4K photos at 3840×2160P and records 4K video at 3840×2160P@15fps or 2.5K video at 2560×1440P@25fps to a TF card. Photos use JPEG and videos use MP4. Camera transmission reaches up to 656 ft/200 m outdoors and unobstructed. Storage supports a TF card rated Class10 above, with capacity up to 64 GB and the FAT32 file system; the card is not included.
The supplied 1100 mAh, 7.6 V lithium-ion polymer battery provides a maximum flight time of 19 minutes per battery and takes about 120 minutes to charge. The drone operates from 32° to 104°F, with battery charging from 41° to 104°F. Maximum flight distance is 1148 ft/350 m outdoors and unobstructed. GPS auto return activates on signal loss, out-of-range flight or low power. The package includes the drone, transmitter, one battery, USB charging cable, four extra propellers, manual and screwdriver.