Feature: 1. ULTRA QUIET DESIGN: It adopts multi internal muffler, which is very quiet. Anti vibration rubber pads help reduce noise and maintain stability. 2. STABLE PERFORMANCE: Super atmospheric volume and air pressure can meet deep water supply, and the air volume is lasting and stable. 3. PRACTICAL APPEARANCE: The air pump has a simple design and is suitable for aquaculture, ornamental fish tanks, breeding farms of oxygenation. 4. WITH CHECK VALVE: This touch control air pump comes with a check valve, which effectively prevents the water from flowing back. 5. GOOD MATERIAL: This product is made of high quality, safe materials, beautiful and simple, and is designed to provide oxygen for fish. Specification: Item Type: Air Pump Material: ABS Size: Approx. 15.5x14x11cm / 6.1x5.5x4.3in Please Allow 1-2cm / 0.4-0.8in Error For Manual Measurement Maximum Pressure: 0.03 MPa Wind Speed: 15L/Min Waterproof Rating: IPX4 Suitable For Ambient Temperature: 0°-45°C US Plug: 100-240V Wide Voltage DC: 12V Power: 10W Frequency: 50Hz. Package List: 1 x Air Pump1 x Plug with Power Cord1 x English Manual Note: When using outdoors, place the pump under a cabinet or protective cover.