with SensorDifferent from the traditional dispenser, automatic toothpaste dispenser adopts infrared induction technology. gently insert the toothbrush, the toothpaste will come out automatically and distribute the toothpaste very evenly. You dont need to push or squeeze out the dispenser. Lasting automatic dispenser is equipped with a 1200mAh lithium , which is USB rechargeable. Each fully charging can last one month. It saves the trouble of replacing .Easy InstallationAutomatic toothpaste squeezer comes with adhesive tape, just stick it on the wall without dust and water, and then press the on/off button on the back, hanging up on the stick, is OK. No drilling and any tools. The wall-mounted toothpaste dispenser is not only known by its environmental-friendly materials as ABS plastic but also by its elegant appearance that suits for every bathroom. smooth and silky surface as well as beautiful style. s more, it can distribute the toothpaste evenly each time, without making mess and waste. Suitable for family use, especially kids. SFor the first time use, please squeeze the air out of the toothpaste tube. The toothbrush compartment is detachable. It should be cleaned every once in a while. Please dry up after cleaning. wise the light sensing will be affected. Insert the toothbrush from the down of the hole, which will be easy for the sensor.