... CE,CB, UL certificates. 2 years warranty Features of LED Driver, LED Transformer:Universal AC input/Full range Protections: Short ... p voltage, re-power on to recoverENVIRONMENTWORKING TEMP.-20 ~ +60°C (Refer to "Derating Curve")WORKING HUMIDITY20 ~ 90% RH non- ... condensingSTORAGE TEMP., HUMIDITY-40 ~ +85°C , 10 ~ 95% RHTEMP. COEFFICIENT±0.03%/°C (0 ~ 45°C )VIBRATION10 ~ 500Hz, 2G 10min./1cycle, ...