Mircrocomputer control, AC/DC charge automatically.
Long time work and life length.
Apply to aquaculture, transport live aquatic products,aquariums,chemical and medical treatment.

New design, unique and beautiful appearance, energy efficient, safe and reliable.
Indicator light shows power, button control, easy to operate.
Adapt to all kinds of aquarium blackout emergency oxygen, transport a few live aquatic products, seafood and so on.