1. There are three modes: one button outlet, 500ml quantitative effluent and 1000ml quantitative effluent.  2. The novel barreled water pump solves the problems of space occupation, scale and related to the traditional plug-in water pump.  3. Large capacity lithium battery, safe and durable, fully charged, can continuously pump about 5-8 barrels.  4. Powerful pump design, faster and stronger water.  5. Mobile water pipe, food grade silicone hose, food grade water inlet ABS interface, not easy to aging, hygienic and durable.  Small size, wireless control, suitable for all kinds of situations, small size, space saving, very suitable for daily use of home, office, school, , etc.  Rated voltage: 3.7V  Battery capacity: 1200mAh  Charging mode: USB charging  Function: one button water outlet, 500ml quantitative effluent, 1000ml quantitative effluent  Colour:green/black/red/blue/gray  Material:ABS+stainless steel  Size:16 x 13 x 7.5cm     Package Contents:  1 x Automatic Water Pump  1 x Water Pipe  1 x Charging Cable  1 x Manual  Only the above package content, other products are not included.  Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.