UPS for Wifi Router is an external battery backup power supply designed for use with routers and other small electronic devices. It provides an uninterrupted power supply to keep your router running even during power outages. It features a built-in surge protector to protect your router from sudden power surges and other electrical disturbances. It also features an LCD display so you can monitor the charging status of your router. Its small size and lightweight design make it easy to transport and store.