Provided with terminals for fire alarm relay connection, allowing release of all devices upon fire alarm activation. Clean linear power for flawless operation with all sensitive active electronic components. Operating Temperature: +32 to +105F [0 to +40C]. This item is in the category "Business & Industrial\Facility Maintenance & Safety\Facility Safety Equipment\Other Facility Safety Equipment". The seller is "victred_2077" and is located in this country: US.