... bulk design,switch led Installed with EMI filter, minimum wave 2 years warranty HS-250W-15V led lighting systems ... Protection110%~150% Hiccup mode,auto-recoveryEnvironmentWorking temperature,moisture-10°C ~+60°C ,20%~90% RHStore temperature, ... : 0.5KvAC 1minInsulation impedance100M Ohms/500VDCCertificateCE ,ROHSPacking24pcsFeature:1,Low price and high reliability2,AC input power ...