For sale are Receiver On/Off Battery Switcher with JST plug,compatible with HSP HPI Wltys Himoto Redcat 1/10 1/16 1/18 RC Model Car Also can be widely used on RC Buggy/Truck/ Airplane. Connector: JST female plug & JST male plug Made of durable hard plastic,easy to install. Wire Size(each side): approx. 12cm /4.7 inch Package include: 2 x switch as picture shown Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, there may be 1-2mm error in size.