This Zurn E-Z flush retrofit kit is designed to provide automatic flushing for urinal and water closet flush valves. The unit features an infrared sensor, user-in-view LED, low battery indicator light, 24-hour auto-flush setting, and 3-second delay flush. Flush retrofit kit is designed to provide automatic flushing for urinal and water closet flush valves. Installs in minutes and provides years of trouble-free operation. Features an infrared sensor, user-in-view LED, low battery indicator light, 24-hour auto-flush setting, and 3-second delay flush. Comes complete with ultra-energy-efficient electronics and four C-size batteries. 3-year battery life. Item is ADA-compliant. Included tools: a wrench for installation and Allen key for the battery compartment. 3-year manufacturer limited warranty. 4 C batteries included. ⚠ WARNING: Cancer and Reproductive Harm - www. P65warnings. ca. gov.