1. Constant Current LED Driver 2. UL, CE, RoHS, ... Over voltage protection: 115-135% rate output voltage.Withstand voltage: I/P-O/P: 3kvAC Environment: Operating Temperature: -30 ~ +70 (Refer ... , 10 ~ 95% RH Vibration: 10-500Hz, 2G 10 minutes /1 cycle, period for 60 minutes each along X, Y, Z ... . 223-M91, IP67 approved, design refer to TUV EN60950-1, EN61347-2-13EMC standards: EN55022 class B, EN61000-3 ...