Power Kits must be purchased separately. Flexible Selectronic platform with programmable, multi-function sensor. Hygienic, touch-free operation. Field-convertible rigid/swivel tubular brass gooseneck spout. Easy and flexible installation - single post mounting with optional 4 and 8 in deck plate. Water-resistant solenoid enclosure mounts to wall. Durable vandal-resistant brass body - ideal for high-use commercial applications. Power kits must be purchased separately. Self-cleaning solenoid valve - wiper spring prevents clogging. Easy to service integrated strainer - patented integrated strainer protects solenoid from debris. Strainer is enclosed in removable debris cup for easy service. Optional auto purge. Feature - faucet can be programmed to open at a pre-determined time after last use to purge the faucet and water lines. Safety timer - helps prevent vandalism by turning off the faucet if the sensor is covered.