Specifications:
Name:Dry Battery Oxygen Pump
Voltage: 220-240V
Power: 0.2 W
Exhaust capacity:2.5L/min
Sound: Less than 50 decibels (almost silent)
Pressure:>0.02mpa
Power:2W
Size: 5.63x2.95x1.70 inches
Weight: 0.2kg
Features: No. 1 battery has two sections and can be used continuously for more than 10 hours.
Package Included :
1x Portable Battery Air Pump,1 x Air Stone,1X Oxygen Tube
Operation:
To install two pieces of single batty which are additionally sold .
To insert the enclosed ethylene plastic tube (with air ring ) at the air outlet .
To insert the end with air ring into the water then connect to the power supply.
If the product has any defects or scratches after you received it,please contact amazon for replacement . We would reply and solve all the problems to your satisfaction.