1. Shell material: alloy ABS 2. Dimensions: 12.5x10.7x26cm 3. Capacity: 1500ml 4. Net weight: 800G 5. Sensing distance: about 5cm, 0.25 seconds rapid liquid discharge 6. Working temperature: 3~40 degrees Celsius 7. Power supply: 4 AA batteries (need to be provided) ? Instructions: 1. Touch the on key to turn on automatic phone washing 2. It is recommended to rinse your hands first until moist 3. Reach out to the sensing area to get liquid 4. It is recommended to rub your hands fully 5. After washing with water, dry your hands