From Toys and Things, Piccadilly centre, Wollongong. Main Features: Built-in 6-axis gyroscope for steady flying, easy controlling and wind resisting. 2.4G DSSS technology allows CX - 31 to fly among other copters without interference. CX - 31 has the function of automatic head-locking ( Headless mode ): No need to recognize the copter’s head and tail sections during the controlling, convenient for beginners. With LED lights, possible for night flight. 2-level speed control for high and low speeds controlling. Hand throw function allows you to fly it on your hand 360 degree eversion function for you to have a cool flying play CX - 31 size: 120 x 120 x 50mm CX - 31 battery: 3.7V 500mAh rechargeable battery Transmitter battery: 4 x 1.5V AA battery Charging time: 90mins Flying time: 5 - 6mins Control distance: 30m Functions: Up / down, turn left / right, forward / backward, left / right sidewayfly, 360 degree flip, hover, hand throw, headless mode Specification General Brand: Cheerson Type: RC Simulators Functions: Up/down,Forward/backward,Turn left/right,Sideward flight,Hover,With light,3D rollover Built-in Gyro: Yes Night Flight: Yes Material: Electronic Components,Plastic,Alloy Connectivity Remote Control: 2.4GHz Wireless Remote Control Channel: 4-Channels Transmitter Power: 4 x 1.5V AA battery(not included) Dimension and Weight Package weight: 0.55 kg Package size (L x W x H): 16 x 16 x 13 cm / 6.29 x 6.29 x 5.11 inches Package Contents Package Contents: 1 x Quadcopter, 1 x RC Transmitter, 1 x USB Cable, 1 x English / Chinese Manual, 2 x Blade, 1 x 3.7V 500mAh Battery, 2 x Screwdriver