CBConcept 5-Pack, Back-Pin LED G4, 180 Lumens, 1 Watt (10W Equal), Pure White 6000K, 180&deg; Beam Angle, Dimmable, Low Volt AC/DC 12 Volt, JC G4 Bi-Pin Base LED Disc Halogen Replacement Bulb Save up 90% on your electricity bill with LED lighting! Replace 20W halogen bulb by 2W LED. Now with LED for a more true and natural color experience. LED chips on sigle side , 180 Beam Angle, instant on with no glare or flikering; Reduce re-lamp frequency.Save effort and maintenance costs on changing bulbs frequently; Not Dimmable, Don't work with dimmer switch. This newly-designed LED G4 bulb is one of the best alternatives to old G4 halogen bulbs. The LED G4 fits into almost any standard socket and works very well with a desk lamp or other fixture in which you want light emitted from 180 degree. The G4 bulb is ultra-bright with 9pcs SMD2835 LED light source. The LED G4 bulb is an environmentally-friendly product and emits no UV or IR radiation, lead, mercury or other harmful pollutants. This LED G4 blub is small enough to fit into the narrower light fittings where space is limited, and it is easy and convenient to install. Operating temperature: -4 - 185 Material: ceramic lamp body and a transparent plastic cover. Safety Notice Turn off power before installation. Do not touch bulb when operating or when hot. For indoor use only.