Operating temperature : 5~49C (41~120F) 251g (total weight) Product weight: 218g (net weight) Tube inner diameter: 15 mm Practical pumping tool: Do you want to have a tool that can quickly pump water at any time Our aquarium borehole pump just needs to be drilled by hand and works instantly without any power supply. Ideal for your liquid transfer Premium Materials: Our garden pumps are made of high quality plastics and alloys with good hardness and sealing properties. The operating range is within the temperature range of 5 to 49C, making it easy to use in most cases. Small and Portable: Our electric borehole pump measures approximately 106 x 37 x 64mm and its appearance is very compact, so you can easily use it in various occasions. It is easy to carry and easy to store. Excellent performance: The recommended speed is 1500-3500 rpm, the lift is about 1.5 meters at 1500 rpm, and the flow rate is about 15L. At 3000 rpm, the head is about 3 meters and the flow rate is about 30 liters per minute. Wide range of uses: The rhinestone pump can be used to pump water for aquariums, cleaning cars, spraying, cleaning swimming pools, etc. It is an indispensable helper in your life.