<b>Features</b><br> Premium motor design, low noise operation, while providing stable oxygen supply bubbles. It will not disturb the normal activities of the fish when working.<br><br> <b>Specification:</b><br> Material: ABS<br> Working voltage: DC 3V<br> Rated power: 0.5W<br> Air flow: ≥0.5L/min (80cm)<br> Tracheal length: 82cm<br> Battery: 2 AA batteries (Not included)<br> Working time: more than 10 hours<br> Applicable water volume: 80-100L (about 80cm fish tank)<br> Size: 7 x 6.4 x 2cm /2.76 x 2.52 x 0.79 inch<br><br> <b>Package List:</b><br> 1 x Fish Tank Air Pump