Welcome to the store! 1. MAIN PURPOSE: Small Uninterruptible Power Supply for power outages, with battery backup mode to ensure your device can still use the network during a power outage. 2. WIDE RANGE OF APPLICATION: This portable uninterruptible power supply is compatible with most routers, modems, security cameras, mobile phones, fax machines, fingerprint recorders, DSL, and more. 3. 2 INPUT METHODS: This mini UPS has 2 input methods, 9V or 12V DC adapter (faster) or 5V 2A USB (slower), with a maximum output power of 18W, which is efficient and practical. 4. BUILT-IN BATTERY: This uninterruptible power supply has built-in batteries with an 8800mAh capacity, providing longer endurance, standard USB port, which can be used as a regular power bank. 5. CIRCUIT PROTECTION: This compact UPS features short-circuit protection, voltage fluctuation protection, overcharge protection, over-discharge protection, and temperature protection to ensure safe operation. Item Type: Uninterruptible Power Supply Material: ABS, PC Battery: 4 x Battery, Capacity: 8800mAh (4 x 2200mAh) (built-in battery) Input Voltage: 9VDC 2A Maximum USB: 5VDC 2A Output Voltage: 9VDC(1A), 12VDC(1A) Output Power: 18W Maximum Application: Compatible with 95% of routers on the market, for security monitoring, MP3, MP4 and other digital products uninterrupted charging 1 x Uninterruptible Power Supply 2 x DC Cables 1 x User Manual Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!