Automatic dispensing: This foam dispenser is designed with infrared sensor, which will dispense the foam within 0.25s, you don’t need to touch the device when using it.USB rechargeable: Equipped with built-in 2000mAh battery, this foam dispensing device is easy to charge and use, it can be used for about 4 months after fully charged, saving strength for you to charge frequently.Wall mount: You can install the hand washing machine on the wall, saving space and keeping your bathroom organized, suitable for home, hotel, school, restaurant, etc.Adjustable & refillable: You can adjust the foaming level according to your need, there are 3 levels for choosing, avoiding wasting, and the 300ml capacity is enough to meet your needs, easy to refill.Digital display: This multifunctional foam dispenser will display the electricity quantity and room temperature on the screen, making your life more convenient.Specification:Material: ABS, PP, electronic components.Color:  black.Size: approx. 13x6cm/5.12x2.36inch.Capacity: 300ml.Rated power: 5W.Voltage: 5VCharging time: about 2h.Sensing distance: within 60mm.Battery: built-in 2000mAh Li battery.