1.12V water pump, Long life, low noise 2.Cooling system 3.Water mat 4.Solar energy panel 12V water pumpOutlet Dimension: ... 30dB, at 1 meter distance.3. Duty work: The pump can sustain heavy duty work for a day. Continuous operation ... for long time when there is no water in the pump. Application:1. Coffee maker 2. Water dispenser3. Fountain4 ... more detailes, please feel free to contact us. 12V water pump