... approved 3 year warranty Long Lifespan 40W LED Driver Power Supply Specification: 1.Certification:CE CCC UL ROHS2 ... 20000 hours9. adopt with high efficiency, low power wastage, stabilize PWM chip can reach energy efficiency ... over-current protection, primary, secondary isolated. ensure power supply security As a trustworthy exporter, we can ... for visiting ! Long Lifespan 40W LED Driver Power Supply