2 x Plastic Door Emergency Exit Push elease Button Switch for Access Control 2pcs Electric Door Emergency Exit Closed Momentary Push Button Switch Features: Push Button Switch; Use for : Electric Door Action Type : 1NO 1NC; Contact Type : Momentary Size : 7.6 x 2.3 x 1.4cm/ 3" x 0.9" x 0.55"(L*W*T); ounted Hole Dia. : 3mm/ 0.118" Material : Plastic, Metal; Net Weight : 17g; Package list : 2 x Electric Door Push Button Switch 2 Set x Mounting Screws