... -5 approved Security Alarm,heat detector, heat alarm with fixed and rate-of-rising temperature heat detector, heat alarm Feartures:1) ... emitting red lightRemote Output:25 mA max., diode gateTemperature Range:-10°C to 50°CPermissible Current:80mA maximumHumidity:0 to 95 ... % RH, no condensation or icingAlarm Contact:(for 4-wire) NO or NC Operation, Form A: 1.0A@30VDC ...