... / LVD/ RoHS 2.Lack-voltage alarm,Protections:short circuit, overload, over temperature main application1. Transport equipments: military vehicle, police car, Medical ambulance ... ): 9.8-10.0Vdc(DC12V)( battery low): 20-21Vdc(DC24V)Over voltage shut off: 15.2-15.6Vdc(DC12V) 30-31Vdc ...