[UNINTERRUPTED POWER SUPPLY] This 12V2A 2W UPS battery s your router and devices stay powered during outages, providing reliable backup energy storage. [SAFE AND STABLE OPERATION] Featuring a robust PCB design, this power supply incorporates advanced charging technology with multiple protection functions against overcharge, discharge, and short circuits. [WIDE APPLICATIONS] for various devices including security systems, CCTV cameras, fingerprint attendance machines, and more, making it a solution for your power needs. [COMPACT DESIGN] With dimensions of 111x60x26mm (37x2.36x1.02 inches), this lightweight unit is to integrate into your or office setup without taking up too much space. [SIZING REMINDER] Please compatibility with your device's specifications before purchasing.