Features: USB charge, lightweight and portable, plug and play, no wire required, convenient to use. The blue light is on when it is used, the red light is on while it is charging, and will be off when it is full charged. Suitable for home, office, camping, travelling, picnics, barbecue, etc. Make you easily enjoy water anytime and anywhere. Practical and convenient, the perfect replacement for your home-use load dispenser, labor-saving than manual water dispenser. Safe and reliable quality, with food grade silicone inlet tube and 304 stainless steel outlet pipe, environmentally friendly, odorless and non-toxic. How to Use: 1. Install the outlet pipe to the water pump; 2. Install the inlet tube to the water pump; 3. Install the water pump to the water bottle; 4. Press the switch and the water will automatically flow out.