... ..warranty period of 2year 3.CE,FCC,ROHS approval 24V 20W electric motor waterproof led power supply SpecificationModelLPV-20-12LPV-20-15LPV ... , etc 3. Assembly full inspection: to make sure every unit with power ,without low voltage, without bad led indicator, low ripple ... inspection after burn-in: to make sure every unit with high temperature resistance, with power ,no bomb unit, no high voltage, no ...