can be used in the water or other liquids(without particles and impurities); NOT for viscous and acid-base liquids. 4. DO NOT dry burn the pump, otherwise it would be damaged. 5. Switch on-off the power repeatedly for several times to eliminate the air in the pump impeller and the pipe. 6. When the pump is used in high temperature environment(100°C), it can only be installed with non-diving method. Specifications: Model (Optional) QR50A QR50B Max. Power 2.4W 4.8W Max. Flow Quantity 250L/H 300L/H Max. Lift 200cm / 6.56ft 300cm / 9.84ft Max. Current 480mA 960mA Rated Voltage USB DC5V Noise Less than 35dB Less than 37dB Lack of Water Protection No Yes Outer Dia. of Inlet/Outlet 8.5mm / 0.33in Inner Dia. of Inlet/Outlet 6mm / 0.24in Waterproof Class IP68 Material PC + ABS Max. Liquid Temperature 100°C Cable Length 150cm / 4.92ft Product Size 59.5 * 49 * 42mm / 2.34 * 1.9 * 1.65in Product Weight 90g / 3.18oz Package Size 6.5 * 6 * 5.4cm / 2.56 * 2.36 * 2.12in Package Weight 104g / 3.68oz
