This C-JT180A is an Amphibious pump which has fully enclosed motor windings, using a unique formula resin casting, insulation, and never leaks. Corrosion. 
Please note:as diving the temperature should not exceed 45 degrees. And the voltage is best controlled at around 5V.Lower voltage more durable. 
Only for professional.

Specifications:

• Input voltage: DC 5-12V,not exceed 12V. 
• Wiring: Red line to positive,black line to negative and white line to computer main board to test speed. 
• Current Max: 0.5A load 6W 
• Suction: best diving, land use suction 0.5 meters (must be water) 
• Maximum lift: 2 m 
• Pump bottom with 2 soft suction cups. Diving can be placed out of the water, not self-priming. 
• Pump Size: 3.75 * 3.71 * 3.3cm. 
• Continuous working life (ie, 24 hours non-stop work) more than 20,000 hours. About 10 hours a day,pumps life is up to 8 years! 
• Inlet diameter 10mm and outlet diameter 9MM, at the bottom of the pump with 2 soft suction cups can be arbitrarily fixed. 
• Can be used as a submersible pump use, you can also leave the water to work. 
• ultra-quiet, 10cm 30dB noise index 
• Maximum flow?350L/H 

Applications:

• This pump is mainly used for fountains, cooling equipment, medical, and coffee machines. 
• Pumps with environmentally friendly materials, aquarium best choice.