1. Infrared sensor automatically ejects liquid, suitable for the use of various disinfectants, potions / hand sanitizers2. The drive circuit design with low energy consumption makes the service life of the battery longer and is an ideal choice for public places3. Stable and reliable work, strong resistance to light source interference, and sensitive induction4. No need to touching, Eliminate cross infection5. Battery and plugged methods are inbuilt / Best function with AA Alkaline batteries 6. Removable and replaceable inner bottle, very convenient 7. Long standby time, save effort