About this item This essential device has a lanyard that wraps around your wrist or clips onto your clothing, it will stop the engine in the event of you having an accident on the water. This essential device has a lanyard that wraps around your wrist or clips onto your clothing, it will stop the engine in the event of you having an accident on the water Emergency kill, stop switch with lanyard for all outboard motors. Black wire is direct to earth on the outboard. Many of the older outboards do not offer protection if you should fall out of your boat by cutting, stopping the engines ignitionProduct Kill Accessories Practical Outboard Safety Cut Off Lanyard Tether Stop Switch Specification: Material:Plastic Color:As pictures shown Switch Size: Approx. 2.8x5.5cm/ 1.10x2.17" Package Includes: 1pc*EmergencyKillStopSwitch Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.