Specifications: Non-brush water pump designed, with permanent magnetic rotor for maintenance-free. Enameled coil and circuit board is sealed by epoxy resin for providing durable use. The coil adopts pure copper enameled wire, lower temperature rising and longer life span. Amphibious design, able to be employed in and out of water, extremely practicable. Designed with USB interface with DC 5V input current, which is steady and convenient with power supply. IP68 waterproof level for submersible installation and entirely waterproof. Detachable designed, with filter, easy to clean and avoid from blocking. Featuring with 4 rubber suckers on the bottom, can be adsorbed on the smooth surface and reduce noise and vibration. Occupying little space but with higher working efficiency, lower consumption. Appropriate for using in aquarium, car cooling, humidifier, air conditioner, other cooling and circulation systems. Item Name: Brushless Water Pump Pump Material: PC, ABS Powered by: USB Maximum Power: 2.4W Maximum Flow: 250L/H Rated Voltage: DC 5V Pump Noise: < 35dB Waterproof Level: IP68 Features: Mini, Portable, Waterproof, Effective Outlet Diameter: 8.5mm/0.33" (Approx.) Inlet Diameter: 6mm/0.24" (Approx.) Item Size: 59.5mm x 49mm x 42.5mm/2.34" x 1.93" x 1.67" (Approx.) Wire Cable Length: 150cm/59.05" (Approx.) Notes: Please check the voltage and power of the water pump power before power on. Please cut off the power before you install/put in/take away the water pump from the water; otherwise, the water pump cant outlet water due to the air in it. It can be used in the water or other liquids(without particles and impurities). Please do not use for viscous and acid-base liquids. Don't dry burn the water pump for it will cause great damage to the machine. Switch on-off the power repeatedly for several times to eliminate the air in the water pump impeller and the pipe. When the water pump is used in high temperature environment(100 degree Celsius), it can only be installed with non-diving method. Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Brushless Water Pump 1 x Filter 1 x User Manual