1. AUTOMATIC SWITCHING: This mini UPS will automatically supply power when power outage, avoiding equipment shutdown and eliminating the need for repeated restarts.2. MULTI FUNCTION: This UPS can be continuously connected to the socket without the need for repeated plugging and unplugging, maintains stable current and takes care of equipment when there is electricity.3. HIGH SAFETY: Built in short circuit protection, voltage fluctuation protection, overcharging protection, over discharge protection, temperature protection, ensuring safe use.4. LARGE CAPACITY: Built in 12 x 2000mAh batteries, this battery backup UPS has a large capacity of 24000mAh, ensuring long service life.5. WIDE USAGE: Suitable for routers, modems, security cameras, smartphones, fax machines, fingerprint recorders, DSLs, etc., which can still be used in case of power outages.Specification:Item Type: UPS Battery BackupMaterial: ABS, PCBattery: lithium battery x 12, battery capacity: 24000mAh (2000mAh x 12) (built in)Input Port Model: Approx. 5.5x2.1mm/0.22x0.08inOutput Port Model: Approx. 5.5x2.5mm/0.22x0.1inUse: Compatible with 95% of digital products on the market, such as routers, optical modem, security monitoring, MP3, MP4, etc.packing list:1 x UPS Battery Backup1 x DC Cable1 x Instructions