Convenience: The water compartment does not have heavy lifting and hence is ideal for women/senior citizens.Application: Fits standard bubble top cans in home, office, school, factory or hospital etc.,Innovative: Waterproof silicone capped button dispenses water in a single pressPower: Rechargeable lithium battery operates during powercut. Charge battery for 1 hour before first useELEGANCE FOOD GRADE SILICONE TUBE specially developed for long term use. The DC adapter is safe to use and consumes negligible power. One touch button is also covered with silicone for your protection Automatic Wireless Water Bottle Dispenser Pump With Rechargeable Battery Portab