Ky603 folding UAV three side obstacle avoidance four aircraft long remote control aircraft About this project: Product Name: folding four UAV Model: ky603 Color: Basic functions: foldable aircraft, take-off, landing, and fall, forward and backward, left and right flight, turning, headless mode, fuselage light / headlamp Advanced functions: beautiful body, ABS high toughness chassis, super fall resistance, all-round LED lighting Remote control battery: AA battery X3 (self provided) mode: remote control / application control Frequency: 2.4GHz Channel: 4CH Charging mode: Universal USB interface Battery capacity: 3.7V 1800mAh modular battery Flight time: about 20 minutes Charging time: 60 minutes Remote control distance: about 100m Maximum rising speed: 10km / h Operating temperature: 0-40 ℃ Note: read the instructions carefully before use. If you are a beginner, it is recommended that you be assisted by an experienced adult. Use the battery carefully: Do overcharge or discharge excessively. Do expose it to high temperatures. Don't throw it into the fire. Don't throw it into the water. Package: Handbag Material: ABS Package size: 23x17.5x8cm (Handbag) Body size: 17x15.5x7cm (unfolding size) 13x8x7cm (folding size) Configuration list: Aircraft x1 Remote transmitter x1 Body battery x1 set of spare blades USB cable x1 Screwdriver x1 Built in camera x2