HIGH EFFICIENCYFuel pump compatible with DC12V car kit power supply and equipped with power switch to control. 12V(1.5A) max flow rate: 12L/min.Please do not use the pump for more than 20 minutes continuously, it takes about 10~20 minutes rest after each working time. DIAMETER 38MM OUTLET & 3M CORD: The pump diameter: 38mm, the water outlet diameter: 19mm, suitable for 16-19mm water pipe. 3m long power cables (with 2*alligator clips) provide easy installation and operation. EASY USE AND CLEANINGStainless steel filter net can keep impurities away, do not never rust and the detachable screw adapter makes it easy to clean the filter. WIDELY USEDThis submersible pump is perfect for draining transmission diesel from caravans, speedboats, trucks, tractors, snow blowers, lawn mowers and outdoor power equipment or for drawing water from medium to small sized aquariums. SPECIAL NOTE: 1. This oil pump is compatible with diesel, kerosene or water, but never use it to extract gasoline or alcohol or any other flammable liquid. 2. Put the pump into the liquid, then turn on the switch. (If the sequence of use is incorrect, the water pressure will be low) 3. The voltage tolerance is 5%, and please note the positive and negative.