Specifications: It adopts infrared induction technology, the induction time is just 0.25s, making life more convenient. It can convert liquid into foam and reduce the amount of use by 50%. Low power consumption and high efficiency. IPX3 waterproof level, can be used in toilets and kitchens. When the voltage drops to 4V, the blue light flashes once a second until the battery cant afford the whole machine (the liquid can be discharged normally at low voltage). Item Name: Foam Soap Dispenser Material: ABS Rated Voltage: 6V Capacity: 350ml (Liquid Not Included) Power Supply: 4 x AA Battery (Not Included) Working Temperature: 5-40 Degree Celsius Working Humidity: 0-85% RH Sensing Distance: 0-5cm Features: Large Capacity, Touchless, Automatic Dispenser Size: 19.3cm x 10.2cm x 7.3cm/7.06" x 4.02" x 2.87" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: (Liquid & Battery Not Included) 1 x Foam Soap Dispenser