Diaphragm Pump DC 12V 300mA Self Priming Diaphragm Pump Micro Water Pump Features: 1. Pump with self-priming function. 2. Low noise, easy installation, stable performance.Low power consumption: Load current: ≤300mA Low heat: It can work continuously for a long time and won't be hot! Stable performance, Long life 3. Appropriated for liquid circulation, transfer etc. 4. Applications: fish tank water changes, experimental models, inflatable small pool, tea machine, coffee machine, grain oil pumping station, car scrub, regular watering, etc.