This Harmony spare incandescent bulb is fitted with BA15d base 6.5W. This spare incandescent bulb is a lighting accessory for beacon and indicator bank. It is supplied 24V AC/DC. Its simple and modular design allows easy installation. It weighs 90g. It is compatible with Harmony XVD, Harmony XVP, and Harmony XVB. It is sold in lots of 10.