Features: Brand new and high quality Adopting a 6-pin male and female plug designs, the installation process is simple and fast, and none additional tools are required to complete connection. Make of ABS and combined with PVC protective layer, ensuring the stability of the product under various weather conditions. The maximums speed can reach 35km/h, and the best performances can be achieved when the battery power is 100. When the battery power is close to 100, the speed reaches 35 km/h. As the battery power decreases, the speed will also decrease. Suitable for the latest APP V1.4.11 or high, it can be used directly without additional configuration. Specifications: Component: ABS Length: about 16.5cm/6.5inch Size: Suitable for ZT3 professional E/ZT3 professional D models Package Includes: 1pc Speed Limit Cable note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.