... -250V 2.output voltage is 12V/24VDC light transformer/LED Outdoor Waterproof Switch Power Supply which with Pulse width modulation (PWM) switching technology features, special ... , LED City Decoration, LED Lighting Advertising, LED Display, Safety Protection Apparatus, Telecommunications, Networks, Vehicle Lights, Controller Panels, etc.Production Specification: Certificate ApprovedCE / EMC / RoHS ...