Visionis VIS-7008 Outdoor Weather and Waterproof Stainless Steel Door Bell Type Round Request to Exit Button Slim Size for Door Access Control, C and NO Outputs Dimensions: 90Lx35Wx20H (mm) 3.54Lx1.38Wx0.78H (in.) Voltage: 12V Current Standby 20mA, Output Contact: NO/COM, Current Rating: 1A@30VDC 0.5A@125VDC Operating Temperature: -20C~50C (-4-122F), Operating Humidity: 0%~99% Waterproof Level IP-65 LED Status: RED: Standby GREEN: Operation. Weight: 0.18kg (0.39 pounds) Attention: This button does not have a Normally Closed (N/C) output. If your application requires an exit button with a N/C output then this is not an option for you. Dimensions: 90Lx35Wx20H (mm)  3.54Lx1.38Wx0.78H (in.) Voltage: 12V Current Standby: 20mA Output Contact: NO/COM Current Rating: 1A@30VDC 0.5A@125VDC Operating Temperature: -20C~50C (-4-122F) Operating Humidity: 0%~99% Waterproof Level: IP-65 LED: Status RED: Standby GREEN: Operation Weight: 0.18kg (0.39 pounds)