HHOOMMEE Sanitary Ware Automatic Sensor Faucet Features: Water saving:Water out automatically when you put your hands under the induction zone,water stops when put your hands back.Hands free:Touchless,micro-computer control.Soft touch:The aerator with technology of air in water,make water been soft touched and no splash.Energy saving:Battery power,4AA alikaline batteries, can be used for around 2 years. Automatic Faucet Parameters Power Supply:DC 6V,4AA alkaline Battery(not included),can last for 2 years for family useSensoring Distance(factory setting):15cmDeck Hole Diameter:35-40mmDeck Thickness:20-30mmFlow Rate:8L/MinCartridge Lifecycle:500,000 TimesWater Pressure:0.05-0.7MpaSwitching Time:less than 0.7sLow Battery Indicator:Red Led Flash What's Included in the box 1x faucet body2x 9/16 water supply hose, with red and blue mark(red one for hot water, blue one for cold water), the hoses are with check valve inside.1x set mounting accessory1x instruction paper Touchless Faucet Details Infrared Sensor Factory setting sensing distance is 15cm. Put your hands within this distance, water will flow automatically. After washing, move away your hand, water will stop without touching the handle. This motion sensor faucet will make your washing cleaning and convenient. Touchless Faucet Aerator HHOOMMEE faucet aerator with soft water flow,no splash,water saving. Maximum lime resistanceNo need to disassemble the aerator for cleaningPerfect stream qualityVery low noise levelNo Damage Automatic Sensor Mixer This automatic faucet with both cold and hot water. There is a small handle on the right with red and blue mark.Turn left to get more hot water,turn right for cold water. You can set the water temperature in advanve. You don't need to touch the handle next time when you use it. Sensor Faucet Battery Installation This touchlesss faucet is powered by 4AA alkaline battery (battery not supplied). Open the top cap of the faucet and put the batteries. Battery can last for about 2 years for family use. Faucet Installation Installation Hole and Deck Thickness The holding stem diameter is 31.5mm. The fixing nut diameter is 41.5mm. The suitable hole diameter is 35-40mm. The stem length is 43mm. The deck thickness can be 20-30mm. Faucet Installation How to Installation Automatic Faucet Before installing the faucet, flush lines to eliminate any dirty that have accumulated in hte pipes.Put the O-ring into the bodyTight the screw to the body through the hole,fix the nut with wrench.Connect the hoses. Before installation,please make sure none of dirt in the pipes to prevent faucet jam. Fix the hot water hose on the left and cold water hose on the right After installation,please check leakage cases for all connections.Don't allow the supply hoses to twist.