Feature:1. MAIN FUNCTION: This small uninterruptible power supply is suitable for power outages or other emergency situations, automatically supplying power to avoid equipment shutdown.2. APPLICABLE DEVICE: Compatible with router, modem, security camera, smartphone, fax machine, fingerprint recorder, DSL, etc., and can still use the network in case of power outages.3. INPUT AND OUTPUT: The uninterruptible power supply adopts DC12V 2A voltage input, USB 5V, DC9V, 12V voltage output, with 1A output current, which is efficient and practical.4. BUILT IN BATTERY: Equipped with 4 built in 3.7V lithium batteries, with a total capacity of 10400mAh (4 x 2600mAh), for long endurance, can be continuously connected to a socket for use.5. MULTIPLE PROTECTION: This UPS backup power supply has short circuit, voltage fluctuation, overcharging, over discharge, and temperature protection to ensure safe and stable use.Specification:Item Type: Uninterruptible Power SupplyMaterial: ABS, PCBattery: 4 X 3.7V Lithium Battery, Capacity: 10400mAh (4 x 2600mAh) (built in battery)Output Current: 1AApplication: Compatible with 95% routers, security monitoring, MP3, MP4, and other digital products on the market. for uninterrupted charging.Size: Approx. 117 x 73 x 23.5mm / 4.6 x 2.9 x 0.9in.Package List:1 x Power Supply2 x DC Cables1 x USB Cable3 x Adapter Heads1 x User Manual