The product is a DC pump, adopted quality plastic material for shell, with advanced electronic components and wear-resistant shaft, sturdy and durable for use. Smooth operating, high efficiency, good performance, long service lifespan. Feature: Adopted quality plastic material for shell, with advanced electronic components and wear-resistant shaft, sturdy and durable for use. Smooth operating, high efficiency, good performance, long service lifespan. Can continuously working for long time, low noise, safe and environmental friendly. Widely apply in the mobile base stations, chillers, dishwashers, heating and cooling mattresses, electronic refrigerators, healthcare equipment, water cooling systems, etc. Can Intelligent detection has no water, stuck protection, no water low speed or stop running. Specifications: Condition: 100% Brand New Main Material: Plastic Color: as picture Input Voltage: DC 24V / DC 12V (Optional) Input Power: 12-30W Max. Head: 3-9 m Package Included: 1 x DC Pump Lead description: Red line: Positive power supply Black line: Negative power supply Blue line: PWM signal input (please use 0-5V PWM signal source), frequency above 3KHz . Yellow line: FG pump speed feedback signal line.