Save electricity bill. Replace 30W T3 halogen bulb by 3W LED. Save over 90% on electricity bill of lighting. Maintenance Free. Extremely LED bulbs in it, save cost to replace bulbs with short lifespan. -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 is AC12V, pls ACDC12V. If you 't know your is ac12v or dc12v, pls ACDC12V bulbs. WHY LED? Reduce your electricity bill and save money Help preserve the environment by reducing carbon New technology provides increased lifespan compared to less-efficient incandescent Wattage: 3W Base Type: G4 LED Chip Model: COB LED Beam angle: Dimensions (Φ*H): 10X32(mm) Color Temperature: Warm White: 2800 - 3200K APPLICATIONS Chandeliers,Kitchens Living Rooms,Dining Rooms Bedrooms,Hallways Shopping Malls,Office Hotels,exhibition , hospitals Colour:Photo Color Material:Electronic Accessories type: A type: AC/DC12V Package Contents: 10 x G4 LED Bulbs Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.