3W 4W 5W 7W LED Driver Input AC 110V 220V DC 12V Power Supply Constant Current Voltage 300mA Dimmable Light Lamp TransformersSpecifications:Item name: LED Lamp Driver Power: 3W / 4W / 5W / 7W Input Voltage: 85-265V (Not Dimmable) 110V/220V/DC12V (Dimmable) Input Voltage: 3-12V(3W), 12-20V(4,5W), 18-24V(7W) Input signal: AC 50/60Hz Output current: 200-300mA +5% Material: PCB Work Temperature: -20 - 80° Features: Built-in(without box) Connection: RED/Led+: LED Output Positive White/Led-: LED Output NegativeFeatures:Brand new and beautiful Energy saving, low warm temperature Protection function: over voltage, overload, brief circuit defense Safety Standard:meet CE, CCC, RoHS Applicable Lamp: E27/ GU10/ E14/ B22 Lamps and moreApplication:Widely utilized in searching malls, exhibition halls, offices, relatives room,DIY handicraft creation. Such as : chandeliers, low voltage lights, spotlights, downlights