RGC series steel two head 108 W battery unit. Mini tungsten wedge base 6, 12 V, 9 W lamp, factory white colour. Rugged steel cabinet with corrosion resistant undercoating. Removable front panel on cabinet provides easy access and allows unit to be mounted at ceiling height. Solid state pulse type charger current limited, temperature compensated, short circuit proof and reverse polarity protected. Unit comes standard with electronic lockout and brownout circuits. Sealed dust proof transfer relay, test switch and LED indicator lights. Long life, maintenance free lead acid battery.