Feature: 1. MAIN FUNCTION: Small uninterruptible power supply, suitable for power outages or other emergency situations, ensuring uninterrupted use of electronic devices. 2. APPLICABLE DEVICE: This small backup UPS is compatible with home router, modem, security camera, smartphone, fax machine, fingerprint recorder, and DSL, etc. 3. 2 INPUT MODES: This mini backup UPS supports 2 input methods, 9V 12V DC adapter (faster), or 5V 1.5A USB (slower), which is convenient and practical. 4. BUILT IN BATTERY: This power supply has built in lithium batteries, with 8000mAh large capacity, has standard USB port, can also be used as a regular power bank. 5. GOOD PROTECTION: This uninterrupted power supply has short circuit, voltage fluctuation, overcharging, over discharge, and temperature protection to ensure safe use. Specification: Item Type: Uninterruptible Power Supply Material: ABS, PC Battery: 2 x 21700 Lithium Battery, Capacity 8000mAh(2 x 4000mAh) (built in battery) Output Voltage: 5V (1.5A), 9V (1A), 12V (1A) POE Port: 24V 0.45A Output Power: 18W Maximum Application: Compatible with 95% of digital products on the market such as router, security monitoring, MP3, MP4, etc. for uninterrupted charging. Package List: 1 x Uninterruptible Power Supply1 x Power Cord1 x DC Cable1 x User Manual