"The Aquatop AC/DC One Battery Operated Air Pump provides auxiliary air when a main air source fails. It's a reliable back-up air source during a household AC power failure, and can also be used as a portable aerator for fish in transit.
- Output: 2.5L/min
- Outlets: 1
- Power: 0.3W
- Battery Size: D x 2 (Not Included)
- Includes 23" of airline and an airstone
- Includes AC Power Failure Sensor
- Operates with battery power only
*Note: This pump must have batteries (with charge) within it in order to operate. It cannot run directly from the wall - the wall connection is simply for detecting a loss of power.
*Note: This product will not charge rechargeable batteries."