This light duty alarm operates from 12-48 VDC and provides 77-97 dB(A). Specifically designed to meet the voltage requirements of the electric vehicle industry, it's compact size and universal mounting bracket maximize location options. The glass filled nylon housing provides rugged durability and the epoxy encapsulated circuit board protects it from vibration and moisture. The unique grill design meets the requirements of SAE J994 for high pressure wash. This alarm is self-grounding.