... adjustable: 10CM, 20CM, 30CM Water-proof Water saving Power saving Key Features: *Water saving: water flows out when hands approach it ... easy maintenance * Induction range adjustable: 10CM, 20CM, 30CM * Water-proof * Suitable places: hospitals, office buildings, airports, railway station ... Technical Data: 1. Battery type: 4pcs AA type alkaline batteries for control valve and 2pcs cell batteries for ...