ITEM NAME:Metal Door Access Button Switch Exit Door Push Button Release Button Description: Brand new and high quality. Door Push Exit Door Release Button Switch for Door Access Control System. Can be installed in any door access control system. An easy push on the button can open the door that connected to access control system. Easy to install and use. Specification: Material: Zinc Alloy Size(LWH): Approx. 80x30x23mm / 3.15x1.18x0.91inch Working Voltage: DC12V Contact Rating: 3A 36VDC Max Mechanical Life: 500000 tests Suitable for Door: All Kinds Doors Operating temp: -20~+55℃(14-131℉) Suitable Humidity: 0-95% (relative humidity) Package Includes: 1 Piece Door Access Button Switch Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement..Material: Zinc Alloy. 1 Piece Door Access Button Switch. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Suitable for Door: All Kinds Doors.