Battery included and pre-installed in faucet Exclusive Smart herm safety shut-off automatically protects the user from scalding. ASSE 1070 certified. Dual supplies for hot and cold water. Above-deck mixing handle can adjust the water temperature Simple, integrated design with all electronics contained in the faucet spout 1. 5 gpm saves 31% of water usage when compared to a 2. 2 gpm faucet