Features: Mini UPS uninterruptible power supply is kind of standby energy storage power supply. Mini uninterruptible power supply back up battery pack can power for most 12V equipment. Intelligent chip, with multiple protections such as over-current, over-charge, over-voltage, overheating and short circuit. Adopts safe and environmental 3.7V 7500mAh batteries, large capacity and longer battery life, credible and stable. Suitable for 12V equipment such as all-in-one computer laptop speaker router camera broadband modems and more. Specifications: Material: Plastic Color: Black Size Approx. 16.7x7.3x4.2cm/6.57x3.27x1.65inch Plug-type: 3 Kinds of Plugs Optional(refer to pictures) Model: XTU-3512 Input: AC100-240V 1A 50/60Hz 5.5x2.1mm Output: 12V 7A Power: 84W Battery-capacity: 3.7V 7500mAh(about 27.75wh) Package Includes: 1x Mini UPS Uninterruptible Power Supply 1x Power Adapter(optional) note: Please allow 0-1cm error due to manual measurement. Please allow for slight color difference due to different display resolution.