Patlite bulb 12V 5W G18BA15S12V5W 1 piece

Rated voltage: 12V Base: BA15S Glass part: G-18 Power consumption: 5.0W About the bulb base size The base is the part that connects the light bulb to the socket, and there are various types such as "E26 base", "E17 base", "E10 base", etc. These symbols and numbers such as E26 are determined by standards. The first E stands for "screw type" and the next number stands for "ferrule diameter". Screw-in is the type commonly seen in household light bulbs, which you connect by screwing it into the socket. For example, E26 indicates that the bulb is a plug-in type with a base diameter of 26 mm, and most household lighting fixtures have an E26 base. Similarly, E17 has a base size of 17mm, while small bulbs used in electronic projects come in sizes such as E10. Most general household lighting fixtures are screw-in types such as E26 and E17, but there are also "plug-in types" with model numbers such as "BA9S" and "BA15S."