Touchless Bathroom Faucet-Water SavingPut hand within the sensor area,water will flow automatically and shut off immediately once remove the hand.It's convenient, touch-free and hygiene for washing hands.It will save the water bill. Solid Brass ConstructionFaucet is made of premium H59 brass, multi-layer nickle plating with chrome finishing.It's glossy,nice looking,drip-free,antirust,durable and suitable for bathroom. water temperature adjustableFaucet comes with one brass water mixer valve. You can adjust water temperature according to your preference. Kindly remind that the mixer valve should be connect to the control box under the deck. Easy installationAutomatic infrared faucet is well packed and with specific instruction included. Single hole mounted with one 6.3 inch deck plate which is detachable, 3pcs hoses with North American standard threads and hardwares. No need to buy extraparts. Suitable deck thickness is 20-45mm, mounting hole diameter is 20-30mm. Energy savingsensor faucet is powered by 4AA alkaline battery (battery not included), which can last about 2 years for daily use.Once the sensor light keeps flashing, it means the power is low and you need to change batteries.