Parameter: Type: Light Thumb Throttle Voltage: 12V-72V Cable length: 280mm/11inch(waterproof) Plug: 3-pin connector Color as shown Weight: about 50G Material: plastic Attention: The waterproof connector cannot be directly connected to the controller, and a 1T4 bus cable is required. For connectors, we cannot that your connectors exactly match our connectors.According to our previous customer feedback, the problem if the connector is not working, the problem is caused by the signal wire order.If your thumb throttle doesn't work, please contact us in time. Package Contents: 2 x Ebike Thumb Throttle(Waterproof Plug) 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.