Here is a bit more information:
Product name:T10 1W high power auto light
The shell is made by good aluminum die casting,appearance is through oxidizing,chips can
generate the heat prompt,then make sure the life span of the lighting.
Uses the 8.4mm 1W high power to manufacture, good heat dissipation and strong stability.
12v is printed on the globe.
has around 160 degrees of pure even light spread.
Power: 0.85W
& also the white colour is rated at 6000-7000k, so will go nicely with hids if you have them.