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 & Flexible Installation: Single post mounting with optional 4'''' & 8'''' 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.