AK-4R---emergency door release Color: Green, Yellow, Red, White for option door emergency Dimensions: 86Lx86Wx50H(mm)Standard Structure: Fireproof Material, Easy to installCurrent Rating: 3A@36VDC MaxOutput Contact: NC\COMSuitable for Door: Exit Door, Emergence Dooroptional Accessories: Glass, CoverOperating temp: 10~+55°C(14-131F)Operating Humidity: 0-95% (relative humidity)Material Selection: Fireproof Material, Sandblast Finished

AK-4R---door emergency with Resetting Function