1、Wide Application: A uninterrupted power supply suitable for power outages, compatible with routers, modems, security cameras, smartphones, fax machines, etc. 2、Working Parameter: Equipped with 4pcs 18650 battery, the 120W UPS with 20800mAh capacity supports input and 12‑24V DC 2.5A maximum output for devices. 3、Secure Protection: Short circuit protection, voltage fluctuation protection, overcharging protection, over discharge protection, and temperature protection. 4、Simple Operation: Designed to have intelligent control IC, the UPS can automatically sense low voltage and switch power mode, making the operation much simpler. 5、Convenient Carry: Comes with a light weight and a compact size as well, the UPS power supply can be easily carried with your for outdoor use. Item Type: Uninterruptible Power Supply Material: ABS, PC Battery: 8 x 18650 battery, each has 2600mAh capacity, with a total capacity of 20800mAh. Shipped with built in battery. Power: 120W Application: Widely used in fingerprint attendance machines, security monitoring systems, access control systems, cameras, portable DVDs, etc. 1 x Power Supply 1 x Installation Plate 3 x Screw 3 x Wall Plug 1 x Power Cord 4 x DC Line 3 x DC Connector 1 x User Manual