Working voltage: DC 6-12V. Working current: 0.5-0.7A. Recommended voltage ratings are 9v 1A or 12v 1A. Maximum suck range of 2m. The maximum head range of 3m. Works with liquids of up to 80°C. The maximum flow rate of up to 1 3L/min. Recommended voltage ratings are 9v 1A or 12v 1A....