JJRC C8821 Carbon Brush Four-wheel Drive High Speed Off-road Remote Control Car 1. Materials: Hardware + Electronics + Plastic 2. Motor: RC390 High-Speed ​​Carbon Brush with Strong Magnet (Magnetic Protection + Heat Sink) 3. ESC: 30A 2S Integrated Control (Splashproof) 4. Vehicle Battery: 7.4V1300mAh 5. Remote Control Batteries: 3 x AA (Not Included) 6. Charger: USB 7. Frequency: 2.4GHz (Supports Multiple Vehicles) 8. Remote Control Range: Approximately 80m 9. Battery Life: 15-18 minutes (Continuous Full Speed) 10. Charging Time: 3-3.5 hours (USB Balance Charger) 11. Measured Speed: 38 kmh 12. Simulated design delivers the feel of a real vehicle, enabling fully proportional stepless speed change, high-speed driving, sudden acceleration, deceleration, braking, reversing, left and right turns 13. Applicable Surfaces: Flat, sandy, muddy, and grassy 14. Four-wheel drive: Front and rear upright spring shock absorbers, double wishbone independent suspension system 15. Remote control system: 2.4G fully proportional synchronized remote control system. Fully proportional throttle and steering 16. Electric speed control: 2.4G splash-proof four-way 30A integrated electric speed controlreceiver 17. Driveshaft structure: Front cross-ball universal joint driveshaft, rear split dogbone driveshaft 18. Body: High-toughness explosion-proof PVC body 19. Simulated big-foot tires with strong grip and equipped with lift-off wheels 20. Packing list: Vehicle x 1, remote control x 1, Chinese and English manual x 1, lithium battery x 1, USB charger x 1, shock absorber adjustment ring x 1, metal latch x 1, anti-loss silicone clip x 1, Phillips screwdriver, anti-loss rubber band