Easy to install and carry: The portable water bottle pump measures 5.5*2.7 inches, and its compact size makes it easy to carry. The installation is simple, you just need to put it on the top to start using it. Perfect for the kitchen, office, school or barbecue, travel and camping, etc., it is a great alternative to bulky large 5-gallon water dispensersHigh compatibility: This drinking water pump is suitable for pure bottled drinking water, compatible with most 3L-18.9L bottles, in order to make the pump hold the neck better, you don't have to pry open the water bottle cap.Unique design: Compared with other ordinary water pumps, our water pump is equipped with a safety lock. Long press for 3 seconds to start the smart lock, long press for 3 seconds again to unlock. One switch operation, press the button 2 times, it will stop automatically when the water volume reaches 600mlSafety material: food-grade silicone hose, 304 stainless steel faucet, high-density ABS plastic shell, no odor. Built-in silicone seal to prevent water leakage Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin