DRY FIRE PROTECTION FUNCTION: : Our aquarium pump can withstand dry burning for 48 hours. With the small pond pump, you don’t have to worry that there is not enough or no water in your aquarium when you take a short trip. Note: It is better to avoid dry burn IMPROVE WATER ENVIRONMENT: : Just put the water pump in a water tank. water, the water will start flowing and provide the living water for the underwater creatures. STABLE AND QUIET OPERATION: : TheTwo suction cups on the pump side can be installed vertically or horizontally, which is small and easy to hide. Ultra quiet operation, low consumption. This small garden pond pump requires no disassembly tools. USB PLUG FIT: : No more traditional plug but the USB plug. More power outage for electricity unexpectedly triggered. You can still charge your water pump with the power bank. INCREASE AND DEVELOP NITRIFYING BACTERIA:: The water pump can slightly increase the dissolved oxygen in the water. #39; water and cultivate nitrifying