Rebaydo 2pcs BA15S 12 Volt 60 SMD 5730 Single Filament Reduced Profile LED Bulbs operate with either 12 Volt positive ground or 12 Volt negative ground systems. The BA15S base is 15mm in diameter with two even bayonets and a single contact on the bottom. These bulbs provide up to 950 lumens, have a long life of up to 30,000 hours, and are comparable to a 25 to 35 Watt incandescent bulb. They are dimmable with a variable voltage supply and are available in White 6000K, Warm White 3000K, Red and Yellow/Amber. Maximum overall length is 1.694" and maximum diameter is 1.058". They use about 500mA at 12 Volts. These LED bulbs do not have built-in load equalizers and may require load equalization to operate properly. The bulbs are tested before shipping and include 2 LED bulbs per package. If the color attribute is not shown, that color is out of stock and takes about 4 to 8 weeks to restock.