With emergency stop cover Easy to operate Safety lock available It is widely used in machine tools, large power tools, and garden machinery. It is a safety switch. The equipment not turn on after an unexpected power outage. You need to the green start button to turn it on. Colour:Photo Color Material:plastic Package Contents: 2 x Switches 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.