Effortless installation - The product uses double-sided tape to enable fast, tool-free mounting on any compatible wall switch, switch cover, outlet cover, or light switch cover. Broad compatibility - Works with round knob switches; suitable for computers, household appliances, and industrial machines; includes a cover for push-button switches and a locking cover for grip switches. Child safety and protection - Prevents accidental shutdown by children, providing peace of mind for parents and caregivers; includes a stop switch cover and an emergency stop button protection cover. - Helps prevent unintended device shutdown and adds protection for your electronic devices; includes a cover for push-button switch protection and an ignition switch cover. Use scenarios - Home: easily child-proof living room or bedroom switches that are within reach. - Office: protect power switches on computers, printers, and other equipment. - Industrial/workshop: cover emergency stop and control switches on machines to prevent accidental stoppage. Note: all descriptions align with the original functions and usage without adding or omitting core details.