Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si This is a throttle that can display speed and mileage, suitable for most brushless controllers and has a wide range of applications. The voltage is 24V 36V 48V 60V Universal, which can be set according to the buyer's needs. First press and hold the M-key, then turn the key to start the machine, then long press and hold the M-key until the voltage parameter flashes, then short press and hold the M-key to switch the voltage until the desired voltage is reached, then long press and hold the M-key until P02 flashes, then shut down and save the parameter settings. The throttle line 150cm, hole diameter 22mm. how to connect this throttle? 1. hall speed is connect to controller Pointer meter or hall wires 2. key lock is connect to controller key lock (or name call electric lock, electric door lock) 3. throttle is connect to controller throttle wires, need color to color connect Note: The accelerator is marked as 48V, and the default is also 48V. However, both 24V, 36V, 48V, and 60V can be used, and the buyer needs to set the voltage themselves. Material: plastic colour: black Package Contents: 1 x bike Throttle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.