Safety and durability: flameretardant housing for extended durability; the switch is designed to prevent accidental contact; includes a softlight indicator lamp for glare operation. Portable and convenient: compact size and compact structure; easy to carry and fits in your bag or car; provides power for your equipment whenever and wherever you want. Versatile and multipurpose: compatible with 95% of mainstream routers/optical cats on the market, as well as MP3/MP4 and other digital products for uninterrupted charging. Intelligent protection and voltage stabilization: intelligent monitoring system with an intelligent chip offering multiple protective functions, including overcharge, overcurrent, overvoltage, overheat, overtemperature, short circuit, and overload protections; fine workmanship with intelligent voltage stabilization function. Use scenarios: At home or in the office during power interruptions to keep routers/optical cats and related devices running for continuous connectivity. On the road or in a car to power routers or other digital devices, ensuring you stay connected and productive. During travel or outdoor work to charge MP3/MP4 players and other digital devices without interruption.