Handheld cleaning roller brush: The cleaning roller brush features a stable structure, adjustable angle, and brush head to ensure a perfect fit with the solar panel, facilitating a thorough cleaning process without any dead angles. Flexible cleaning mode: This cleaning brush can be used either wet or dry. The dry mode allows for quick decontamination, while the water washing mode is designed for comprehensive cleaning, effectively reaching every corner of the solar panel. It is also easy to store in small spaces. Telescopic rod: The cleaning brush includes a carbon fiber telescopic rod with a locking mechanism that allows for customizable length adjustments. The brush head uses durable nylon filaments to prevent shedding during use. Lightweight design: The scrubber is designed to be lightweight and easily held in one hand, simplifying the cleaning process. It comes in various configurations to accommodate different cleaning environments. Automatic water intake: Featuring an automatic water inlet design, the brush head rotates for balance. The quick rotating electric brush combined with water spray efficiently removes dust and dirt from the solar panel.