LIGHT BULB 21/4W

This incandescent bulb is designed for vehicles with a 12 volt electrical system and has a dual power rating of 21 watts and 4 watts. It is used in lighting applications where a combination of brake light, tail light or similar functions is required. The glass and base are compatible with standard vehicle sockets. The bulb provides clear light for visibility in traffic and supports a distinct signalling function. The product is intended for reliable operation under normal vehicle conditions and can serve as a replacement in suitable rear light units when the original bulb is worn or damaged.