Material: Brass Chrome Plated - Intelligentize: Water is automatically released from the faucet when hands enter the sensor area and sensor will shut off once hands are pulled away. - Hygiene: The faucet can be operated without users touching it. This can prevent cross infection. - Anti-impurity: Our patented hydraulic solenoid valve can prevent debris in water clogging the faucet and therefore increase the durability of our products. - Electricity-saving: Uses only 4AA alkaline batteries, which can last up to 18 months. - Water saving: Water will be shut off after discharging continuously for 30 seconds. - Working voltage: DC6V - Effective distance: 0-1M - Power: (Static State) 0.01W; (Dynamic State) 3W - Environmental Temperature in use: 4-40 degree centigrade Inner: Plastic Bag / Outer: Carton