?INTELLIGENT AUTO SHUTOFF: Dry running operation will increase motor temperature, then the pump will automatically shut down. The pump will restart working after the temperature goes down. If the pump automatically turned off, cut off power if possible. Auto shutoff can effectively reduce the damage caused by dry running. ?360° ALL-ROUND NO DEAD ANGLE: start at 0.79in ultra-low water level, the bottom is surrounded by water absorption design, can absorb small particles of impurities and fish manure, the cleaning effect is excellent, there will be no residue in the fish tank, and the water quality will not deteriorate. Large suction, low power consumption, energy saving and power saving. ?TRIPLE MUTE DESIGN: The motor chamber is sealed inside and protected by a thick shell. The four suction cups are close to the bottom of the cylinder, which reduces vibration without shaking. Work quietly without disturbing you and sleep comfortably. The exterior uses high-quality materials, good insulation, high temperature wear resistance, long service life and no pollution to water quality. ?MULTIFUNCTIONAL WATER PUMP: with 3 removable water outlets; ceramic shaft for dual-use freshwater and seawater, acid and alkali resistance, corrosion resistance; power-35.5W; high lift-8.2ft; flow rate-660GPH; IPX8 waterproof grade. ?MULTI-PURPOSE BOTTOM SUCTION PUMP: suitable for a wide range of fields such as aquarium fish tanks, circulating pumping, remote suction, fish tank water change, fish tank filtration, garden fountains, water crafts, inflatable pool water change, ice-cooled air-conditioning fans, mechanical equipment cooling, etc. Multiple uses to meet your different needs.