Equipped with overload protection structure: automatically and smoothly control the current during operation fluctuations. Effectively protect the motor and body accessories, reduce internal component damage, and lower subsequent maintenance and replacement costs. Carefully crafted circuit board material: rigorous workmanship, temperature resistance, durability, and less prone to circuit failures. Good voltage stabilization effect, regulating the working status of the whole machine, suitable for daily household use environment, and longer use time. Compatible with multiple vacuum cleaners of the same model: precise wiring alignment, easy and convenient installation and replacement. The circuit layout is neat, the circuit runs smoothly, the power is stably transmitted, and the equipment is assisted in normal operation. Daily maintenance and replacement of preferred accessories are also required. Exquisite welding process: The welding points are firm and not easy to fall off, and the overall quality is solid and reliable. Reasonably control the power consumption of the entire machine, adapt to multiple usage modes, and meet the maintenance needs of daily cleaning equipment at home. Integrated main control circuit board: clear and distinct functional zoning. Smooth signal transmission, suitable for motor start stop and gear adjustment, excellent adaptability, easily solves various common problems in equipment circuits.