Gangang Automatic Faucet Features: Water saving:water out automatically when you put your hands under the induction zone,water stops when put your hands again.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. Gangang Touchless Kitchen Sink Faucet Touchless Faucet Put hand in front of the sensor window which is built on the main body,water will flow automatically and shut off immediately once put hands again Pull Out Kitchen Faucet Faucet comes with a 20 inch retractable hose which can reach every corner of the sink. There's one gravity ball which automatically reset the sprayer after pulling out. Flexible Kitchen Faucet 360 degree rotation spout and nozzle meet all your need for kitchen cleaning. SUS 304 Kitchen Faucet Solid material Faucet is made of 304 stainless steel. It's lead free, anti rust and durable. For the health of you and your family, please choose SUS304 stainless steel. Faucet is polished with brush nickle finishing. There's no finger print on the faucet when you touch it. It's easy to keep dialy cleaning. Anti-fingerprint faucet Double function spray head: Stream mode:more convenience for filling bowls,pots and pans. Sweep spray mode:forceful blade of water makes it easy to rinse dirty dishes or your sink. Kitchen SInk Faucet Single hole mounted faucet , without deck plate. Single lever handle for swiching cold and hot water. Kitchen Faucet Parameters Power Supply:DC 6VBattery Type:4AA alkaline Battery(not included),can last for 2 years for family useSensoring Distance(factory setting):10cmWater Hose Specification:G9/16"(American standard)Suitable Deck Thickness:20-30mmSuitable Mounting Hole Diameter:32mm-40mmFlow Rate:10L/MinWater Pressure:0.05-0.7MpaLow Battery Indicator:Red Led Flash Gangang Touchless Faucet Package Gangang Faucet includes all the accessory for installtion. 1x SUS304 Faucet(brush nickle)1x Induction Controller1x Battery Box (require 4AA alkaline battery, not included)2x Flexible Water Hose(Americal Standard)1x Retractable Hose1x Gravity Ball1x Set Mounting Accessory1x Instruction Paper Small Tips for Solving Problem No water come out Check if there's any part blocked (the supply hose or the spray filter)The faucet handle need to be open. Sensor not working The batteries need to be 4AA alkaline batteryThe positive and negative electrodes need to be connected correctly.Batteries run out and replace new batteries. Working as a touch on faucet Remove the induction controller, the faucet can work as a touch on kitchen faucet, close and open with the handle. Question and Answers We will reply customer questions within 24 hours. We will solve your problem until your satisfaction.