sturdy Circuit Board: Made with premium materials, the circuit board excellent durability and conductivity, reducing failure rates and extending equipment lifespans even with prolonged use Easy Installation: Designed with clear interfaces and logical layout, this control board allows quick installation and maintenance, making it user friendly even for not professional Wide Compatibility: Suitable with various brands and models of tiles leveling machines, this versatile control board meets user needs and enhances tool adaptability Efficient Drive Control: This 21V lithium tiling machine control board provides stable power and control for tiles leveling machines, ensuring efficient operations and work productivity Intelligent Speed Control: Equipped with a high motor drive chip, it enables stepless speed and overload protections for smooth operations and tiles laying accuracy, Manufacturer: APGLSXY