Input:AC110-220V 50/60HzOut put:DC 12VProtections: overload/ over voltage/ short circuitElectric current: 5A This Bulb is great for replacing your standard 12V Halogen spotlight. The LED Bulb will direct light more accurate instead of spreading the light in any direction and the light seems clean and deliberate compared to halogen or other type bulb.It will last and are shock resistant.In case you drop the bulb it will likely still work. The bulb will not generate UV and heat so you will avoid from touching the bulb. The bulb therefore will not melt your lighting fixture or it.The bulb has a 60 degree spread (beam angle), 7000K color temperature (cool white) and 440 Lumen light output. This bulb have 4 high powered individual LED pieces. The light bulb will unfortunately not work in all 12V power sources and you may have to replace the transformer/adaptor main unit if it has a problem with low load (it may work if you leave one halogen bulb to carry some load). The bulbs application is perfect , restaurants, shops, office, etc. Also available in color temperatures warm white 3200K.Note that the bulb is slightly than a standard Halogen bulb.Material:Plastic+metalPackage Contents:1 x Switching power supply transformerNote: 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.