The Ultimate Backup Aquarium Air Pump
• Super Silent & Stable
• Super Power & Reliable
• Superior Battery Life
• Airflow Control-Valve Features
• Automatically switches from AC to DC ( Battery ) mode during a power failure
• Airflow Control-valve enables users to choose their preferred airflow
• Battery On / Off Switch prolongs battery-life when device is not in use
• Battery offers up to 10 hours of backup
• ISO 9001 Certified Battery with superior battery features preventive overloading and discharging electronic wiring device to prolong the server life of the battery