Waterproof ESC Supports 2/3SMaterial: Metal and Plastic Spec.: 60A, support 2S/3S Feature: Splash waterproof electronic speed controller not only features overheat and over-current protection, but also infused anti-blocked protection, minimizes the risk of burnt motor. Moreover, Low-battery-voltage-cutoff function is introduced to this hobby rc car to prevent overcharging battery. | Metal Shock Tower with Gearbox CoverMaterial: Metal Feature: 2 metal shock towers on remote control car for adults are designed to sustain loading from the suspension system and transfer the load to the vehicle chassis; separate gear boxes povided to protect the differentials from dust or dirt. | Powder-Gear Drive SystemMaterial: Powder Alloy Feature: The drivetrain of this remote control cars is composed of powder metal differentials, alloy metal main shaft, dog bones, which ensures the off road rc car a more stable running posture on all terrains. |