Apem QS Series 6mm LED Panel Indicators – APEM QS63XXB12, A 6mm 12V DC snap-in panel mount blue LED indicator with a coloured diffused flat lens. Ideal for applications such as domestic and commercial white goods, catering equipment, fire alarm panels, power distribution sockets, battery chargers/power supplies. APEM QS63XXB12 6mm LED Panel Indicator Blue 12V DC Wire Terminals