Product description: This mini water pump can be used in aquariums, fish tanks, hydroponics, small ponds, garden water fountains, water circulation systems, etc... Specification: Voltage: 5-12V Power: 1-3W Flow rate: 200L/H Lift: 0.4-1.5m Outlet diameter: 8.5MM Overall dimension: 39x38x28MM Package included: 1 x mini submersible pump βœ… Compatibility This pump is only compatible with DC power supply between 5V and 12V. The plug size is 8.5mm (outer diameter). ❌ Not compatible with: USB ports or USB power banks panels with double-pin connectors AC wall outlets or non-regulated power supplies πŸ“ Cable Length The cable length is 1.5 meters (4.9 ft). Please ensure this is sufficient for your setup. ❗ Power Source Not Included ⚠️ This pump does not come with a power adapter or power supply. You must use your own compatible DC power source. 🧰 For Outdoor or Fountain Use This mini water pump is ideal for: powered fountains Small garden water features Birdbaths and mini ponds It is not suitable for high-pressure or large-volume water systems.