Features: *Outboard Cut off Boat Motor Emergency Kill Stop Switch W/Safety Tether Lanyard * brand new and high quality *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 ignition *This eential 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 preing on the red button *If you have no spark to your outboards ignition system it may well be that your existing cut of switch may faulty or be stuck in the off position and will need to be replaced Specifications: *Material: Plastic *Switch Size: 2.8x5.5cm/ 1.10x2.17" (Approx) Package Contents: 1*Emergency Kill Stop Switch 1*Kill Switch Safety Tether Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightne of your monitor and light brightne. 2.Please allow slight manual measurement deviation for the data.