Tissaj BPA-free Portable and Rechargable with Li-ion Battery Electric Drinking Water Dispenser Pump for Office, Home, Kitchen (20 L,Black) Color name:Black   Package Content - Water Dispenser, 304 Food Grade Stainless Steel Spout, Silicone Tube & USB Cable Usage Guide -  1. Fix the silicone tube on the inlet located at the bottom of the water dispenser.  2. Ensure the washer is properly fit onto the steel spout.  3. Screw the spout on the outlet of the water dispenser.  4. Do not remove the cap. Pierce a hole on the cap of water can / bubble top / water bottle with maximum diameter of 60mm or 6cm.  5. Insert the silicone tube through the hole on the cap.  6. Fix the water dispenser on top of the water can and you can start using it immediately.  7. Press the button for continuous discharge of water until stopped.  8. If needed remove and clean the silicone tube through running tap water, warm or cold.  9. Only wipe the water dispenser with damp cloth.