Differential structure: double planetary differential Remote control category: full proportional synchronous control system Motor: 380 motor Speed governor: electrodeless electronic speed governor Remote control battery: 3*1.5V AA battery (not included) Material: Hardware; Electronics; Plastics Product Specification: 34.3*17.4*14.5CM Frequency: 2.4 GHz Charging time: about 3H Colour: white/grey Telecontrol time: about 20 minutes Product battery model: 7.4V 1200mAH high rate lithium battery Speed: > 12 km/h features: 1. Charging protection: protection against overcharging and overcurrent of the battery. 2. Low voltage protection: The receiver automatically stop working when the battery power is lower than 6.5 V. 3. High-temperature protection: When the working temperature is higher than setting receiver, the receiver will protect the drive control circuit; after the normal temperature, it will no longer function. fucntion: 1. Simulation of dual-flow gear box drive. 2. The lithium battery 1200mAh large magnification 3. 2.4G remote control system synchronous full scale. 4. Rotation in-situ 360 ?? 5. The distance between the trenches can reach 10cm. 6. The climbing angle is 30 ??. 7. The gull-wing doors can be opened and closed. 8. The front wheel to adjust the tightness of the track. 9. Wading depth of up to 5cm Package Contents: 1 * Car RC 1 * Controller 1 * Rechargeable battery (built-in) 1 * Charger