Sobo AP900 Battery Dc Backup Air Pump

Brand	Unbranded
Manufacturer	RSK REEF
Model Number	6925394820499

The SOBO AP-900 battery backup air pump is a device that helps to ensure the safety of fish by automatically adding oxygen to the water when the AC power supply is cut off. It uses 2x D-Cell batteries (sold separately) and has the function of automatically sensing the AC power supply status.

SOBO AP-900 DC 2x 1.5V - 2L/M
It has the function of automatically sensing the AC power supply status:
When the AC power supply is normal, the oxygen pump does not work.
When the AC power supply is cut off, the oxygen pump automatically works to add oxygen to the water to ensure the safety of the fish.
Please note this pump does not run off AC power, only the battery
Uses 2x D-Cell Batteries (sold separately)