1、2 INPUT METHODS: This mini backup UPS has 2 input methods, 5V 9V 12V DC with adapter (faster) or 5V 2A USB (slower), with input voltage. 2、MAIN FUNCTION: This UPS power supply is mainly used for power outages or other emergency, allowing you to still use the network during power outages. 3、APPLICABLE DEVICE: This UPS is compatible with router, modem, security camera, smartphone, fax machine, fingerprint recorder, DSL, access control system, etc. 4、8800mAh BATTERY: This uninterruptible power supply has built in 8800mAh batteries, with standard USB port, and can also be used as a regular power bank. 5、CIRCUIT PROTECTION: This power supply has short circuit, voltage fluctuation, overcharging, over discharge, and temperature protection to ensure safe operation. Item Type: Uninterruptible Power Supply Material: ABS, PC Battery: 4 X Battery, Capacity: 8800mAh (2200mAh x 4) (built in battery) USB: 5VDC 2A Output Power: 18W Maximum Application: Widely used in fingerprint attendance machines, security monitoring systems, access control systems, cameras, cameras, portable DVDs, etc. 1 x Power Supply 2 x DC Cables 1 x Power Cord 1 x User Manual