LIGHTWEIGHT & PORTABLE: Easy to store and haul, this mini utility pump offers big value in a little packageMULTIPURPOSE: Perfect for transferring water from aquariums, washing machines, water beds, water heaters, clogged sinks, and more.Kindly Tip 1When you start use the pump you must be submerged into the water at a slight angle to allowthe remaining air to escape.Kindly Tip 2The device is not suitable for continuous operation (e.g.as recirculation pump for ponds).This type of use will substantially shorten the pump's life expectancy.1/2HP High PowerProstormer Sump Pump uses 1/2HP power, which is more efficient than ordinary sump pump; Max 2110 Gallon Per Hour rating tackles any draining job at a fraction of the time.Multi Outlet Sizes3 different diameters outlets (1 inch ,1-1/4 inch, 1-1/2 inch) to adapte for different size hoses as needed according to the flow rate. The bigger the flow is, the wider the outlet should be.Manual ModeSet the switch to the MANUAL positon the pump will now not automatically switch off but carry out pumping, even if theremaining water level is reached and the pump runs dry. You should cut off the power immediately to prevent the coil from getting burned.Automated ModeSet the switch to the AUTO position. Once you have plugged the device into the socket, the pump will switch on automatically when the water exceeds the start-level and switch off when the stop-level hasbeen obtained.this means that the pump can be left on at all times and will keep the waterin a cellar or boat, for example, at the required level.bear in mind that this pump is notdesigned to be used continuously, it must be switched off at regular intervals.Sealing Structure & Durable ConstructionThe sump pump features a durable sealing structure and the durable thermoplastic body keeps the pump from corrosion The higher base plate which assures the prevention of debris collection in the sump pit