G4 10 LED Back Pin LightG4 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 making it the most robust on the market today and produces little heat, , High Power - Low Heat, Larger size brings larger light, No Fire Hazard like that of Halogens, Super Bright, Up to 50,000 Hours, 10V-30VDC / 12 VAC , Product : LUNASEA WHITE LED BULB G4 BACK PIN 12V AC OR 10-30V DC, Manufacturer : LUNASEA LIGHTING, Manufacturer Part No : LLB-21UW-21-00, UPC : 894953001623 SKU: CW48711