INCANDESCENT 7W 48VAC/DC BA15D. range compatibility: Harmony XVB, Harmony XVD, Harmony XVP – accessory / separate part designation: incandescent bulb – accessory / separate part type: incandescent bulb – accessory / separate part category: lighting accessories – accessory / separate part destination: beacon and indicator bank – signalling type: steady – power dissipation in W: 6 W.