Usage Tips:Precisely Defined Dimensions: Square Mounting Hole Fit - Our switch protector seamlessly accommodates a square 25x25mm (1 inch) button, with external dimensions of Length: 39mm/1.53 inch, Width: 34mm/1.33 inch, and Height:19mm/0.74 inch. Designed specifically for button heads less than 12mm in height, ensuring a perfect fit and foolproof operation. Effortless Installation: Equipped with integral double-sided adhesive tape, installing our power pushbutton cover is as simple as peeling off the backing and applying it directly to your PC's power button. An perfect, no-tool solution that secures your switches quickly and firmly. Versatile Application: Beyond merely covering PC power buttons, this robust protector serves equally well in safeguarding any desktop button from unintentional presses, thus making it child-proof and extending its functionality to various household or office environments. Comprehensive Package Contents: Each package comes meticulously prepared with 2 Push Button Switch Protectors, ensuring you have a spare or can simultaneously secure multiple devices. Colour: black Material: Plastic+Metal Type: A: Spring type / B: Self-locking Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Package Contents: 2*Switch Protective Cover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.