Showerstar123 Automatic Hands Free Fingerprint Resistant IR Infrared Motion Sensor Stainless Steel Dish Soap Dispenser his Soap Dispenser Built-in Infrared Smart Sensor, Place Your Hand in front of The Sensor, just need 0.5 seconds induction time to make liquid out, you can control the amount by your hands, no dripping or trailing. Brushed Stainless Steel touchless soap dispensers Body Material with Anti-Rust and Waterproof technology to prevent the soap or water to corrode circuit board Dimensions 4.3 x 2.8 x 7.1 inches, weight 9.7ounces. It can hold 250ml liquid soap Easy Instructions and Very Functional: Simply pull the bottom stand off that will expose the battery compartment. If you have any concerns or questions about this Soap Dispenser. Please feel Free to contact us.