1.Approvals: CE mark / EMC / LVD/ RoHS 2.Lack-voltage alarm,Protections:short circuit, overload, over temperature main application1. Transport equipments: military vehicle, police car, Medical ambulance, ship, traffic lights etc.2. Industrial equipments: solar energy system, wind power, metal halid lamp, high voltage sodium lamp, etc.3. Office equipments, computer, printer, display apparatus, ...