COOLWEST Transformer Driver Power Supply 60W 12V for LED Strip Lights and G4, MR11, MR16 Light Bulbs Power 60 Watt, Input Voltage 100 -240V,Output Voltage 12V DC 5000mA, Class 2 Power Supply Ultra-small size,Length 4.5in/Width 1.8in/Height 1.2in. Certification: CE,UL,CB , FCC,ROHS Easy to install, mount, and wire;The starting time is less than 3 s Built-in intelligent chipset,anti-thunder,with circuit protection function,short circuit,over current,overvoltage overload Suitable for MR11, MR16, G4 12V LED bulbs, lighting fixtures and moving sign applications