Features: Uses advanced electronic components and high-quality wear- shaft Long working life, continuous power-on working time of 10,000 -20000 hours. It is smooth operation, high efficiency, good performance. Small volume, low noise, safety and environmental pr otection. Specifications: Name: Water Pump Inlet/Outlet: 4mm Threaded port Voltage:DC12V Power: 19W Rated Current: 920MA Flow Rate: 1000L/h lift: 8 metre Working environment temperature: 0-60 ℃ Noise: Less than 35db (water) under operation Drive mode: electromagnetic Conveying medium: hot water pump Weight: 630 g Size:About 8cm(L) x 7.7cm(W) x 4.9cm(H) Material: plastic colour: black Package Contents: 3 x Mini Brushless Motor Water Pump Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.