Feature: 1. ENERGY SAVING MOTOR: Energy saving motor, low temperature rise, low power consumption, small size, large air output, and can work around the clock. 2. HIGH QUALITY ALUMINUM SHELL: High quality aluminum shell, compact structure, fast heat dissipation, strong air pressure, easy oxygen explosion at a water level of 2 meters. 3. ANTISLIP CUSHION: This fish tank oxygen pump is equipped with antiskid and shock absorbing foot pads, which effectively keeps the body stable and reduces vibration noise. 4. WIDER SCOPE OF APPLICATION: The scope of application is wider, suitable for household power outage fish tank use, market promotion, water product transportation, massage chair, sewage treatment and various industrial equipment. 5. 12V SAFE LOW VOLTAGE: 12V safe low pressure, convenient and quick to use, no fear of severe cold, low temperature operation as usual, can be used normally in the environment of minus 20 degrees. Specification: Item Type: Fish Tank Oxygen Pump Material: Aluminum + Plastic Product Size: Approx. 13x13x8cm / 5.1x5.1x3.1in . Package List: 1 x Oxygen Pump1 x Tube1 x Water Tsui1 x Six Head Shunt1 x Manual Note: 1.Manual measurement will have 1‑2cm error.2.This product is a high speed piston design and uses aluminum alloy to dissipate heat, so the outer shell will become hot, which is a normal phenomenon. Please keep it out of the reach of children.