1、APPLICATION: This window cleaner is suitable for double and triple layer glass from 10 to 40mm thick. It is designed with different thicknesses of window in mind to ensure that it works in a variety of scenarios. 2、ADJUSTABLE MAGNETIC POWER: This window cleaner is designed with 10 levels of magnetic adjustment. You can turn the knob to adjust the magnetic force according to the thickness of the window. The larger the number around the knob means the stronger the magnetic force. Gears 1-5 are for thin glass and gears 5-10 are for thicker glass. 3、ALL ROUND CLEANING: It adopts a triangular design, which can effectively reach all corners of the window for all round cleaning. In addition, the water storage sponge keeps the glass wet and allows the cleaner to glide smoothly across the window. 4、SAFETY DESIGN: Equipped with 8.2ft thickened safety cord. Users attach the safety cord to their wrists when cleaning the window to prevent the exterior cleaner from falling and causing injury. 5、AUTOMATIC WATER DISCHARGE: Open the opening of the water storage tank and pour in the right amount of water to efficiently clean both sides of the window. By following the proper cleaning methods provided, this window cleaner will not leave water spots on your window, giving you a clear view of the outdoors. Item Type: Magnetic Window Cleaner Material: Plastic Applicable: For 10-40mm / 0.39-1.57in Double And Triple Layer Glass 1 Pair x Magnetic Window Cleaner 2 x Scraper 42 x Buckle 5 Pairs x Replaceable Cleaning Cotton