The sensor automatically dispenses liquid when you hold your hand up to it. It stops when you remove your hand. ◇ Dispensing volume can be adjusted in two stages. ◇ Battery-powered, so no troublesome wiring is required. Can be freely installed wherever you want to use it. ◇ Can be operated with wet hands, making it suitable for use in kitchens and washrooms. Commercially available disinfectant alcohol can be used. ■ Specifications ■ ◇ Power supply: AA alkaline batteries x 4 (sold separately) ◇ Battery life: Approximately 12 months (10 dispenses per day, low dispensing volume) ※ When using alkaline batteries ※ Battery life may be shorter depending on battery performance and usage conditions. ◇ Tank capacity: Approximately 320ml ◇ External dimensions (approx.): Width 90 x Height 195 x Depth 120 (mm) (maximum value) ◇ Weight: Approximately 305g (excluding batteries) ◇ Waterproof specification: IPX4 (splash-proof) Thank you for viewing.