1Bottled water pump, with 5 kinds of quantitative water, press the button to replace. 2Easy to install and use, it can be placed on mouth of a bucket or used on top of a table. 3Pry open the water bottle lid to install, strong water absorption, even without splashes. 4No rust, no aging, detachable, easy to clean, safer, healthier, and long service life. 5Portable design, suitable for indoor and outdoor camping, picnics and other outdoor activities. Item Type: Drink Water Pump Material: Plastic+Silicone+Stainless Steel Weight: Approx. 639g / 22.5oz Color: Black Control Method: USB Charging, One-Touch Touch (5 Kinds of Quantitative: 0.3/0.6/1.0/1.5/1.8L) Battery Type: Rechargeable Lithium Battery (Built-In Battery) Battery Model: 18650 Battery Capacity: 1200mAh Power: 4W Voltage: 5V Frequency: 50Hz Product Size: Approx. 15x41cm / 5.9x16.1in 1 x Host 1 x Stainless Steel Water Outlet Pipe 1 x Silicone Water Pipe 1 x USB Cable 1 x English Manual 1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.