Drone with four way obstacle avoidance function. Frequency: 2.4G. Channel: 4ch. Gyro: 6 AXIS. Quadcopter battery: 3.7V 220mAh lithium battery (included). Transmitter battery: 3 x 1.5 AA battery (not included). Charging time: about 70mins. Flight time: 7 minutes. Remote control distance: about 50m. Quadrilateral size: 8*8*3.5cm. Functions include ascending, descending, forward, backward, left turn, right turn, left fly, right fly, size rudder volume, 360 ° flip, fancy roll, one key return, and headless mode. Package included: 1 x RC quadcopter, 1 x remote control, 1 x lithium battery, 1 x USB charging cable, 4 x spare blades, 1 x screwdriver, and 1 x user manual.