All In One/stable Performance: this small fish tank air pump come with complete accessories: standard USB cable, airline tubing (id: 4 mm), air stone and check valve, metal clips installed. Power: 1W, flow rate: 47GPH, air pressure: 0.015MPA Handy Multi-purpose Aerator Pump: ultra silent for stray fish live in many situations, such as transporting fish, outdoor fishing, most bait buckets, traveling, power outages and emergencies. Ideal for small to medium-sized aquariums or bowls Rechargeable Use: it can be used as a standard fish tank air pump with the AC power plugged in all the time or switch to lithium battery DC power supply mode. AC/DC automatic switch, If power becomes interrupted, the air pump instantly turns on Continuous/intermittent Mode: press the switch to start the air pump, the full charge storage can work continuously for about 22 hours. Press again to start the intermittent mode and the machine will work for 10 seconds and rest for 10 seconds Easy To Recharge: aquarium air bubbler has a built-in rechargeable lithium-iron battery. A standard USB cable is included, for charging with a wall charger, battery, batteries, PC or laptop. Aquarium Rechargeable Air Pump Portable Energy Saving Power Oxygen Pump One/Dual Outlets Quiet Aerator for Indoors Outdoor Fish Tank, Fishing, Fish Transport, Power Cut Sports & Outdoors Hunting & Fishing Fishing Baits & Accessories Bait Storage