Rechargeable Battery Aquarium Air Pump: Noise less than 35db; Provides sufficient oxygen; Includes 4 bubble stones, 4 check valves, 13ft air hose and an air volume diverter with switch; Simultaneously operates 5-way pneumatic type products
Continuous Mode: Offers continuous oxygen supply with 8 adjustable air volume levels; Can run continuously for 24-72 hours on full charge (usage time may vary)
Intermittent Mode: Can run continuously for 96-220 hours on full charge, with 4 modes and 8 gears per mode; Mode 1: operates for 15s, pauses for 30s; Mode 2: operates for 25s, pauses for 60s; Mode 3: operates for 35s, pauses for 105s; Mode 4: operates for 45s, pauses for 160s
Feeding Mode and Memory Function: Activates feeding mode, pauses for 15 minutes, then resumes working; Has power failure memory function that automatically resumes to the most recent setting after a power outage
Charge Pal Function: Functions as an emergency power source for charging cell phones, notebook computers, iPads, and more; Can be used for air pump and recharging simultaneously; Versatile and portable, suitable for aquariums, fish markets, fishing, and more