... input 4. PWM Design, Over Current protec Constant Current LED Driver Feature:Constant Current LED DriverOutdoor / indoor LED Driver90 - 264VAC, ... Cooling by free air convection100% Full Load burn-in testSuitable for LED lighting and moving sign applicationsHigh reliability/Low costPass UL ... RH Vibration: 10-500Hz, 2G 10 minutes /1 cycle, period for 60 minutes each along X, Y, Z axes.Safety Standards ...