Note - In order to achieve the best start-up and extended service life, add a small amount of lubricant to the pump inlet before use, rinse with water after each use. Make sure the inlet hose is sealed as short as possible and the hose should not exceed 9 feet (2.75 m). Save time - Use this miniature pump to increase your productivity, saving you time and connecting to an electric drill. Its import and export is detachable, easy to carry and store. Tips - Install and start the rig - Look at the inlet pipe and see if any fluid is drawn into the pump within 15-20 seconds. If not, check that the inlet pipe is properly installed on the inlet pump. Don't work. If the pump fails to start, check the hose for kinks or blockage. High-quality materials - This miniature pump is made of high-quality engineering plastic casing, which is corrosion-resistant, high-temperature resistant and durable. WARNING - Do not run this pump in reverse. Do not operate the main process drilling pump or allow the power cord to fall into the water while standing in the water. Always stand on a dry floor and keep all the codes dry.Specification: Product Name: Electric drill drive pump Working temperature: 5?49C (41~120F) Product Weight: 218g (net weight) 251g (total weight) Size: 11.5*7*7.7CM Tube inner diameter: 15mm Features: It is installed on the electric drill, fully automatic, corrosion-resistant water, sewage, etc.