H21 Drone Optical Flow Constant Height Hover

H21 Drone with advanced optical flow positioning system maintains stable altitude automatically, eliminating manual height adjustments during flight. Equipped with precision sensors that detect ground movement in real-time, this drone delivers consistent hovering performance indoors and outdoors. The constant height feature allows pilots to focus on directional control while the aircraft handles vertical stability. Ideal for aerial photography, video capture, and recreational flying where steady framing is essential. Durable construction and responsive controls make this model suitable for both beginners and experienced operators seeking reliable flight dynamics.

One-click lift and take off Remote control 
Optical flow constant
height hover
Three-speed
adjustment