Power supply: Dc6v (1 lithium battery, installed before leaving factory) Or 220V -110V power supply Automatic FaucetPower supply: Dc6v (1 lithium battery, installed before leaving factory)Or 220V -110V power supplyBattery life: 2 years+ (4, 000 uses/month)Recognise range: 5-30cm adjust automaticallyApplicable water pressure: 0.05-0.8mpa (8psi-120psi)Water inlet pipe diameter: G1/2"Applicable ...