Water Pump USB Charging Electric Water Dispenser Pump Automatic Switch Drinking Dispenser For Bottle|Water Dispensers Specification: Material: ABS+stainless steel Lithium Battery: 1200mAh Power: 5W/5V Applicable Water Volume: 4.5L, 5L, 7.5L, 10L, 11.3L, 15L, 18.9L Duration Of Use: 60 Days Pumping: 10-12 Barrels Applicable Bottled Water Caliber: 4.2-5.95cm Single package size:7.28x3.54x4.17inch Features: 1. Designed to care for the elderly and children, easy to install, drink water with one click，easy to carry, usb charging interface 2. Designed with safe material, no toxic and no smell, 304 stainless steel water outlet, health and environmental protection 3.Double water pump design, faster water output 4. Suitable for pure bottled drinking water, a variety of models gallon barrel with 2.16-inch (5.5cm) neck 5. Built in USB rechargeable 1200mAh battery, can be used for 30-40 days or around 4-6 bottles of 5 gallon water once full charged 6.The water dispenser turns off automatically every 60 seconds working, more safe and smart Installation Suggestion: 1. If your bottle is the standard gallon barrel, please don't remove the bottle cap when you install the water dispenser 2. If your bottle is the ordinary barrel, please open a hole on the bottle cap, then install the water dispenser in the hole Thanks very much