AGPtek Electric Door Strike Push Release Button Exit Switch Panel for Access Control System Dimensions: 86Lx86Wx20H(mm),Current Rating:3A@36VDC Max Suitable for Door: Hollow Door,Operating temp: 10~+55(14-131F) Operating Humidity: 0-95% (non- condensing) Panel Material: Fireproof Material Package Include:1x Push Release Button,1x package mounting accessories.