Chicago Faucets 116.221.21.1 Deck Mounted HyTronic Traditional Electronic Faucet, Polished Chrome Chicago Faucets is an industry leader committed to innovation that's supported by the latest in engineering technology. Solid brass construction ensures unequalled product durability. Chicago Faucets 116.221.21.1 Deck Mounted HyTronic Traditional Electronic Faucet, Polished Chrome Features: Geberit Commander Software Compatible Single Hole, Deck Mount Dual Beam Infrared Sensor 5 1/2"" C-C Spout User Adjustable Temperature Control Mixer 6 V Lithium CRP2 Battery (Included) E2805 - 0.5 GPM (1.9 L/min) Vandal Resistant Spray Outlet Multiple Field Adjustable Modes and Ranges Includes Optional 2.2 GPM (8.3 L/min) rator Insert