CBConcept 2-Pack, Side-Pin LED G4, 320 Lumens, 2 Watt (20W Equal), Warm White 3000K, 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 21pcs 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. <span class="a-text-bold">UL Listed and CE, RoHS Certification approved. </span>In compliance with National Electrical Code and Nationally recognized Standard for safety. Only use UL/ETL electrical product for safety. Excellent color consistency and rendering. High lumen output with smooth dimming. Life span would be more than <span class="a-text-bold">30,000 hours.</span> Superior quality components are used compare to non UL-Listed light bulbs on the market. Save up 90% on your electricity bill compare to Halogen light bulbs. Newly patented design for max brightness and balanced lumination. Standard bi-pin base, fits into almost any standard G4 socket. The led bulbs are small enough to fit into the narrower light fittings where space is limited. Widely popular in puck lighting, under cabinet lighting, accent lighting and much more Please check the dimension of the led bulbs carefully to see if it is too big to fit into your fixture. The reason we have several sizes of it is for different application and fixture. Carefully find the one best fits your need. A good quality and LED compatible dimmer is needed to control the brightness. Since most applications use old dimmer which doesn&#039;t work well for LED bulbs, this G4 LED bulb may flicker at maximum dimming/ lower-setting. This G4 led bulbs is G4 Bi-pin base, please check the base of your fixture carefully before purchase. Turn off power before installation. Do not touch bulb when operating. For indoor use only. We offer friendly service and support from our San Francisco office. If you have any question or concern, feel free to reach out to us. We are here to help.