Engineered to require no electricity or routine battery replacement, EcoPower technology is the perfect marriage of hands-free operation, low maintenance, easy installation and ecology.Features:0.125 GPFSelf-powered hydroelectric flush valve systemNo minimum daily usage requirementDurable chrome plated body with tamper-proof screws and solid bronze valve bodyNeutral rough-in and adjustable tail piece connectionTrue mechanical flush overrideSmart sensor with self-adjusting detection range6-second detection time with no flush delayAutomatic maintenance flush after 12 hours of inactivityFor urinal with 3/4" top spud inletADA compliant3 Year LimitedDimensions: 4.56 in. long x 3.19 in. wide x 15.75 in. highAssembly Required.