Drone with four way obstacle avoidance function. Frequency: 2.4G. Channel: 4ch. Gyro: 6 AXIS. Quadcopter battery: 3.7V 500mAh lithium battery (included). Transmitter battery: 3 x 1.5 AA battery (not included). Charging time: about 90mins. Flight time: 7 minutes. Remote control distance: about 50m. Quadrilateral size: 12.5*12.5cm. Functions include up/down, forward/backward, left/right turn, side flight, LED light, headless mode, one-button automatic return, altitude hold 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, 1 x user manual.