Lifeline 3: Cable Pull Switch, No Special Features, 2 N.C. Safety, 2 N.O Aux, 2 N.C. Safety Contacts, Break Before Make, 2 N.O. Auxillary Contacts, Up To 30m Span,M20 Conduit, 1/2in. NPT adptr, Emergency Stop Device, Die Cast Alloy (Yellow)