Aquatop Breza Battery Powered Air Pump Part # AC-DC-One
 
Automatic back-up battery power
Battery power turns on when power goes out
Battery Size: D x 2 (Not Included). Operates with battery power only.
Includes 23" of airline and an airstone. Includes AC Power Failure Sensor.
Output: 2.5L/min. Outlets: 1. Power: 0.3W