A. Features: Convenient handle and thick ABS plastic for shell. 360-degree water absorption, low noise and noise reduction design, detachable and clean. The bottom of the pump sucks in the surrounding water, effectively cleaning fish feces and impurities in the tank water. The pump can be started at a water level of 5cm/1.97inch, and it can be as low as 1cm/0.39inch when pumping. Scope of application: aquarium fish tanks, garden fountains, flowing water crafts, water-cooled air-conditioning fans, mechanical equipment, etc. B. Specifications: Material: ABS Plug Type: Australian Standard/European Standard Style: 18W/25W/40W/5W/60W/8W/90W Voltage: 220V-240V 50HZ Hmax: 1.6M/2M/2.2M/0.6M/3M/1.0M/4.0M FMAX: 800/1000/1500/300/2500/600/4000L/H 90W Size: Approx. 170x180mm/6.69x7.09inch 60W Size: Approx. 145x160mm/5.71x6.3inch 40W Size: Approx. 125x140mm/4.92x5.51inch 25W Size: Approx. 100x90mm/3.94x3.54inch 18W Size: Approx. 80x95mm/3.15x3.74inch 8W Size: Approx. 70x80mm/2.76x3.15inch 5W Size: Approx. 70x80mm/2.76x3.15inch C. Note: 1. Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. D. Package includes: 1 Set Fish Tank Bottom Suction Pump