1、Easy to Use: There is adhesive at the bottom of the protective cover. Remove the protective film and install it directly. It has strong adhesion and is not easy to fall off. 2、Durable Material: The protective cover is made of Pc, resistant to ultraviolet light, durable and not easy to age, resistant to extrusion, bending and insulative. 3、Visual Design: The push button lockout device is transparent, and the base and sides are removable, allowing you to better lock the various power switches. 4、Prevent Miscontact: The protection cover is designed to prevent miscontact, accidental operation, and prevent other objects from accidentally touching the button, providing additional safety protection. 5、Scope of Application: The protective cover is used to firmly install on the emergency switch, or emergency stop button and other electrical appliances, must open the lock to operate.