Specifications:Material: Engineering plasticColor: BlackVoltage: DC 5VPower: 18WMax Head: 5MMax Flow: 9L/MSize: (L)X(H) 44.3x109.6mm /1.74"x4.31"(appr.)Drainage Diameter: 20.95mm /0.82"(appr.)Cable Length: 40cm /15.75"(appr.) Mainly used in:Solar supercharger, gas water heater supercharger, b eer machine, floor heating water circulation, smart toilet, aquarium, electric vehicle water circulation, laser chiller, CNC machine tool water cooling cycle, water purification equipment and other industries. Features:● The ceramic shaft is matched with wear-resistant bearings, which has low running noise and can last for more than 20,000 hours.● This product has a high-pumping pump with advanced functions such as slow start, stuck protection, intelligent detection of empty load, and water protection.● The motor is sealed as a whole, and it is protected against moisture and heat. Precautions:1. Do not reverse the positive and negative poles2. It is strictly forbidden to run liquids with impurities or magnetically conductive particles.3. This pump is a water pump. It is strictly forbidden to use in strong acid or alkali solution. Package Included:1 x Water Pump (excluding other decorations) Instruction is not included. Please feel free to contact us if you have any questions. Hope a nice day!