RGS series battery unity. 2 head with mini tungsten 6, 12, 24 V, 9 W wedge base lamp. Rugged steel cabinet with corrosion resistant undercoating standard colour is factory white. Removable front panel on cabinet provides easy access and allows the 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. Standard 120/347 VAC input voltage with line cord kit.