Features 1、MAIN PURPOSE: Small uninterruptible power supply for power outages, with battery backup mode to ensure that your device can still use the network in the event of a power outage. 2、WIDE APPLICATION: This portable uninterruptible power supply is compatible with most router, modem, security camera, cell phone, fax machine, fingerprint recorder, 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), which is efficient and practical. 4、BUILT IN BATTERY: This uninterruptible power supply has built in batteries with 10400mAh capacity, providing longer endurance, standard USB port, which can be used as a regular power bank. 5、CIRCUIT PROTECTION: This compact UPS has short circuit protection, voltage fluctuation protection, overcharging protection, over discharge protection, and temperature protection to ensure safe operation. Specification Item Type: Uninterruptible Power Supply Material: ABS1 PC Battery: 4 x 3.7V 18650 lithium battery, 10400mAh total battery capacity, that is, 4 x 2600mAh. Shipped with built in battery. Input Voltage: 5V 2A Output Voltage: 5V, 9V, 12V Output Current: ≤ 1A Application: Compatible with most routers and optical modem, security monitoring, MP3 MP4 and other digital products for uninterrupted charging and use. Package List 1 x Uninterruptible Power Supply 1 x USB Cable 1 x DC Cable 1 x User Manual