It is portable and can be used indoors or outdoors. It can be used in any environment without power supply. It is made of high quality materials and has a long service life. Small and compact, easy to use. It's easy to install. Product description The pump can be used indoors and outdoors. It is easy to install and can be used in any harsh environment without power supply. 1. In order to get the best start and extend the life, add a small amount of lubricating oil to the pump inlet before use and rinse with clean water after each use. Make sure the supply hose is sealed, as short as possible, and the hose should not exceed 9 feet (2.75 meters). 3. Work in the temperature range of 5 ~ 49 4. When pumping abrasives or liquids containing solids, use a filter on the inlet line to extend pump life. 5. It is recommended to install the pump on the surface for safe use. 6. Install and start the drilling rig. Observe whether a certain amount of fluid is drawn into the pump within 15 to 20 seconds into the oil inlet pipe. Otherwise, check if the oil inlet pipe is properly installed on the oil inlet pump. Don't run dry. If the pump does not start, check for kinks or blockages in the hose. The pump depends on whether the fluid is a pump for lubrication 7. The recommended speed is 1500 to 3500 rpm, and the head and flow rate are related to the speed. The higher the speed, the higher the flow. 1500 rpm, the head is about 1.5 meters, the flow is about 15L 3000 rpm, the head is about 3 meters, the flow rate is about 30L per minute Package includes: 1 * pump 1. Manual measurement, there will be errors in size, please refer to the actual size 2. Due to the difference in light and screen, the color of the product may be slightly different from the picture.