Description: Material: Plastic. Switch Size: Approx. 2.8x5.5cm/ 1.10x2.17". Black wire is direct to earth on the outboard. kill, stop switch with lanyard for all outboard motors. Many of the older outboards do not offer protection if you should fall out of your boat by cutting, stopping the engines ignition. 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. The switch is open circuit and is closed when the activated by pulling on the lanyard. You may also activate by simply pressing on the red button. If you have no spark to your outboards ignition system it be that your existing cut of switch may faulty or be stuck in the off position and will need to be replaced. Size Chart: Size: 15 * 10 * 3 cm Package Includes: 1 x Kill Stop Switch 1 x Kill Switch Safety Tether Note: Due to light and screen difference, the item's color may be slightly different from the pictures. Please allow 1-5mm deviation due to manual measurement. THANK YOU FOR SHOPPING WITH Have a nice day