1:LED driver 2:Constant current 3:CE,RoHS and TUV certificated. 4: Warranty: 3 years 5:ISO 9001:2008 manufacturer 1:Waterproof LED driver.2 ... circuit, or in over voltage or over low voltage, or in over heated.6: Use imported chips in LED driver, enable the products to ... installation dimensions.)Packing 50pcs/carton carton size:330mm*260mm*200mmNOTES Constant current LED driver