Combination signal with filigree brass mast, authentic varnishing and patented base socket for easy mounting. With 6 LEDs, maintenance free, speed preliminary indicator (Zs3v) for reduced braking distance. Signal pictures (Zs3). Signalbilder Hp0, Zs3 and ks1.. Only suitable for Viessmann control unit-Multiplexer item-No. 5229 and 52292. Height: 78 mm.