G4 Bottom Pin 18 LED Light Bulb - Cool WhiteG4 utilizes High Power LEDs for more than enough light to read and work by. As with all our replacement bulbs the G4 includes a built in Buck Regulator, which produces little heat, making it the most robust on the market today.Features: Larger Size is Super Bright Long Life: Up to 50,000 Hours No Fire Hazard Like HalogensSpecs: Input Voltage: 10-30V DC or 12V AC/DC Wattage: 3.5 Watts 288 Lumens