Zurn model# ZEMS6003-EWS.0001 is a 0.5 GPF AquaFlush exposed hardwired automatic sensor flush Valve for 3/4 in. urinals. This exposed, quiet diaphragm-type, chrome plated, flushometer valve has a polished exterior. Comes complete with a chloramine resistant, dual seal diaphragm with a clog resistant by-pass. The valve incorporates a motorized actuator, an integral infrared convergence-type proximity sensor and a manual push-button override into all-metal, polished chrome plated housing. Sensor range automatically adjusts to its environment at power up and is powered by a 7.6 VDC power converter. Each power converter can accommodate up to 8 flush valves. The valve is complete with high back pressure vacuum breaker, 1-piece hex coupling nut, adjustable tailpiece, spud coupling and flange for top spud connection. Control stop has internal siphon-guard protection. Internal seals are made of chloramine resistant materials. Material: Brass.