Save bill. Replace 30W T3 halogen bulb by 3W LED. Save over 90% on bill of lighting.Maintenance Free. Extremely long life LED bulbs in it, save cost to replace bulbs with short lifespan.Eco-Friendly. No lead or mercury.Solid State. Shockproof and vibration proof.No Hazardous Emissions. No UV or IR Radiation.ACDC12V lamp can work on both AC12V and DC 12V, so if your voltage is AC12V, pls choose ACDC12V. If you 't know your voltage is ac12v or dc12v, pls choose ACDC12V bulbs.WHY LED?Reduce your bill and save moneyHelp preserve the environment by reducing carbon footprintNew technology provides increased lifespan compared to less-efficient incandescentWattage: 3W Type: G4LED Chip Model: COB LEDBeam angle: 360 degreesDimensions (*H): 10X32(mm)Color Temperature: Warm White: 2800 - 3200KAPPLICATIONSChandeliers,KitchensLiving Rooms,Dining RoomsBedrooms,HallwaysShopping Malls,Office BuildingHotels,exhibition , hospitalsColour:Photo ColorMaterial:Electronic Accessoriestype: Atype: AC/DC12VPackage Contents:10 x G4 LED BulbsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.