ITEM NAME:12V 280L/H Micro Brushless Submersible Water Pumps Motor Cooling Pump USB Descriptio n Description: The pump is DC water pump. The voltage DC12V small water pump can be used with DC12V power supply. The voltage 6V small water pump can be used with DC6V power supply or USB charger. (cannot be directly used with 220V ac voltage) 1. Rated voltage: DC12V 2. It is better not to overvoltage when using voltage. 3. No load rated current: within 0.15a 4. Water discharge without load: 280L/H 5. Head: 2.2m with 12V specification 6. Rated current at load:.0.35a 7. Use mode: diving or land use 8. Noise: 40dB MAX (background noise: 30dB, within 0.5m) 9. Use fluids: tap water, groundwater, seawater, 10. Water temperature: -20Â °C ~90Â °C 11. Ambient humidity: 45% ~ 90% 12. Continuous working life of more than 20,000 hours 13. The motor; Brushless motor Specifications: Material: ABS Color: Black Size: about 15*10*10cm Package Included: 1 * Water Pump (including USB + pump pad) Whatever the ending's perfect or not, you can't disappear from my world 12V 280L/H Micro Brushless Submersible Water Pumps Motor Cooling Pump USB.Use fluids: tap water, groundwater, seawater. The motor; Brushless motor. The pump is DC water pump. Head: 2.2m with 12V specification. Water temperature: -20Â °C ~90Â °C. We want to make sure you are happy with our item.