Feature1 Brand New and high quality 2 One cold water way design 3 Automatic Sensor control faucet 4 Great for both home and commercial use 5 4 AA batterier Not included can use lasts for 2 years for daily use 6 Classic Modern design durable copper made chrome finish 7 Comes with water hose and necessary installation parts SpecificationName Sink Mixers Sensor Tap Chrome Brass Automatic Hands Free Infrared Basin FaucetMaterial CopperColor SilverConnection Size G1 2 Installation Holes One HoleNumber of Handles Hands freeFlow Rate 2 GPM 7 57 L min Applicable Temperature 0 55 ℃Static Power Consumption ≤ 0 5w d c ≤ 3wSurface Technology Electroplating polishingApplicable Water Pressure 0 05MPa 0 6MPaSensing Distance 33cm ± 15 Power Supply DC6V Attention Only need to use batterier to operate Expansion Tube Length 60 5cmSize 16 x 6 5 x 15cm 6 3 x 2 56 x 5 9 Attention Only need to use batterier to operate Notice1 Please allow 1 3cm error due to manual measurement and make sure you do not mind before ordering 2 Please understand that colors may exist chromatic aberration as the different placement of pictures Package included1 X Sensor Tap1 X DC Control Box2 X Screws2 X Expansion tube