Description: Charging protection: the protection function of overcharging and overcurrent of the battery. Low-voltage protection: when the battery power of the receiver is lower than 6.5v;The receiver stopped working automatically. High temperature protection: when the operating temperature of the receiver is higher than the set, the receiver will protect the drive control circuit;When the temperature is normal, the dust can be resumed. This model is equipped with full proportional synchronous control functions such as forward, backward, left and right turn, brake, etc. 1500mAH large-capacity lithium battery; 2.4g full proportional synchronous remote control system;19g high-speed steering gear (1kg torque). Specification: 40A electronic stepless governor 7.4v 1500mAH large-capacity lithium battery frequency: 2.4gHZ remote control distance: ≥ 80 meters Full proportional synchronous control system (gun control) remote control time: about 15 minutes charging time: about 2.5 hours differential structure metal gear planetary differential remote control battery: 4* 1.5v AA battery speed: ≥75 km/h Size Chart: Size: Approx. 40 x 23 x 18cm/15.75 x 9.06 x 7.09inch Package Includes: 1 Piece Remote Control Car Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, there may be 1-2cm error in size.