1. High-quality drilling pump - Finely crafted, made of plastic material, durable and with a long service life. 2. Features - Large flow rate, stable performance, high efficiency, and easy to install. 3. Fast - Fast water pumping speed, capable of pumping 20 - 30 liters of water per minute (depending on the rotation speed of the drill). 4. Convenient to use and store - After installing all drill chucks, you can use an electric drill to drive the pump, which is easy and convenient to use. It has a compact design and light weight, making it easy to carry and store. 5. Flow rate - The recommended rotation speed is 1500 - 3500 revolutions per minute. The head and flow rate of the pump head are related to the rotation speed. The higher the rotation speed, the greater the head and flow rate. At 1500 revolutions per minute, the pump head has a head of approximately 1.5 meters and a flow rate of approximately 15 liters per minute. At 3000 revolutions per minute, the pump head has a head of approximately 3 meters and a flow rate of approximately 30 liters per minute. 6. Notes: Due to differences in different displays, the pictures may not accurately reflect the actual color of the product. As the measurements are taken manually, a tolerance of 1 - 3 millimeters is allowed. Thank you for your understanding. 7. Specifications: - Color: Black - Dimensions: Approximately 106*37*64 millimeters - Material: Plastic - Net weight: Approximately 218 grams - Inner tube diameter: Approximately 15 millimeters - Drive shaft diameter: 8 - millimeter round shank - Operating temperature: Approximately 5 - 49 degrees Celsius (41 - 120 degrees Fahrenheit) - Rotation direction: Clockwise 8. Package contents: 1 drilling pump, 2 hose clamps, 2 connectors