Exit Strike Closed Momentary Push Button Switch for Access Control Product Name : Push Button Switch;Use for : Electric Door Action Type : 1NO 1NC;Contact Type : Momentary Size : 7.6 x 2.2 x 1.4cm / 3" x 0.88" x 0.56"(L*W*H);Mounted Hole Dia. : 3mm/ 0.118" Material : Plastic, Metal;Color : White, Green Weight : 17g;Standard Structure : 1 x Electric Door Push Button SwitchSeveral Mounting Screws