Features: Brand Equipped with battery protection board: over-current protection, over-voltage protection, over-charge protection, over-discharge protection High-performance lithium battery: When the built-in battery is fully charged, it will enter automatic sleep mode and switch to battery power in zero seconds when power is lost, ensuring continuous device operation without restart Provides up to 8 hours of backup power for standard optical network terminals during power outages Regulated output power supply: 110V-240V wide voltage input, 12V 2A regulated output that protects connected devices Universal connector: 5.5mm outer diameter, 2.1mm inner diameter, compatible with 12V outdoor surveillance cameras and other standard devices Package Includes: 1 x Uninterruptible Power Supply Specifications: Material: ABS Input: AC 110-240V 50/60Hz Output: DC 12V 2A Size: Approx. 8 x 14 x 4 cm (3.14 x 5.51 x 1.57 inches) Battery Capacity: 1800mAh Note: 1. Please allow 1-2 cm error due to manual measurement; ensure you are comfortable with this before ordering 2. Due to differences in monitor displays, the actual color of the item may vary from the image