Chicago Faucets 116.111.21.1 Deck Mounted, HyTronic Traditional Electronic Lavatory Faucet, Polished Chrome Chicago Faucets is an industry leader committed to innovation that`s supported by the latest in engineering technology. Solid brass construct ion ensures unequalled product durability. Chicago Faucets 116.111.21.1 Deck Mounted, HyTronic Traditional Electronic Lavatory Faucet, Polished Chrome Features: • Geberit Commander Software Compatible • Single Hole, Deck Mount, • Dua l Beam Infrared Sensor • 5 1/2" C-C Spout • Concealed Internal Temperature Control Mixer • 12 Volt AC Transformer Required (Order Seperately) • E2805 - 0.5 GPM (1.9 L/min) Vandal Resistant Spray Outlet • Multiple Field Adjust able Modes and Ranges • Includes Optional 2.2 GPM (8.3 L/min) Aerator Inser