Remote emergency switch for laser lights with fixed 20 m cable. Metal interlock prevents unauthorized manipulation. Can be easily replaced. "Push-to-stop, twist-to-release" red STOP button . The yellow case is made from hardwearing impact resistant plastic. Complies with all European regulations for Class IIIb and IV laser light safety. Width: 72 mm. Height: 65 mm. Length: 110 mm. Weight: 1.1 kg.