Features: Application: 12V-24V mini ups widely use for fingerprint attendance machine, fire safety system, security monitoring system, wireless camera, CCTV camera,Door security system, personal data assistant, emergency lighting, Alarm system, personal communication systems, radio, digital cameras, camcorders, video camera and more devices. 5.5x2.5mm port output is 12V-24V adjuast,USB output is 5V, can powered 2 devices at the same for time,2ports output totall power 60W max,Suitable for laptop cellphone tablet wifi Router LED Strip CCTV Camera and more 5V 12V-24V device. 5V USB port for Cellphone tablet router and more, 5.5x2.5mm for DC port for Laptop CCTV Camera Modem and more,for most LED strip light products, CCTV Camera, IP Camera , LED Panel, Amplifier, Modem, Speaker and more. Mini UPS uninterruptible power supply is a standby energy storage power supply. safe and environmental lithium cells, This mini UPS with perfect over-charged, over-discharged, over-current and short-circuit for protection,When charging the laptop, the output voltage needs to be adjusted to the same as the original charger output voltage. Rechargeable Lithium ion battery, 15000mAh high capacity, small size and easy to carry. 5.5x2.5mm plug is Inner Positive(+), Outer Negative(-),with led indicator,Need to turn on switch and adjust 12V-24V voltage when using,you need to use a small screwdriver and voltmeter to adjust the voltage of 5.5x2.5mm plug. Specifications: Item Type: UPS Uninterrupted Backup Power Supply Material: Metal+Plastic Color: Black Capacity: 15000mAh,55.5Wh Size: 15.5x7.5x7cm Power Adapter input: AC 110-220V 50/60Hz 5.5x2.5mm port output: for DC 12V-24V(adjutable) USB port output: for DC 5V/2A max Plug: EU,US,AU(optional) Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 x UPS Uninterrupted Backup Power Supply 1 x Power Cable