Feature: 1. This electric water pump can be charged via a power supply, a laptop and a USB port. 2. This electric water pump has battery indication and noise reduction design, which can produce low noise. 3. This smart USB water pump can provide continuous water supply and quantitative water output. 4. This water pump is made of plastic and metal, safe and durable, and has a long service life. 5. Built‑in 1200mAh rechargeable lithium battery, and the charging time of this water pump can be 3 hours. Specification: Item Type: Water Pump Color: White Material: Plastic + Metal Power Mode: USB Charging Time: 3 Hours Input: DC-5V/1A Power: 4W Battery Type: Lithium Battery (Shipped with Built-in Battery) Capacity: 1200mAh Model: 18650. Package List: 1 x Water Pump1 x USB Cable1 x Tube Note: This product is strictly prohibited from dry extraction, hot water, alcohol oil and other corrosive liquids are strictly prohibited.