Features: brand new and high quality brand new and high quality Description:Features:brand new and high quality. Rechargeable Lithium ion battery, 4000mAh high capacity, small size and easy to carry. Inner Positive(+), Outer Negative(-),with led indicator,red led is charging,red led off is fully charged. Need to adjust the 5V 9V 12V voltage and turn on the switch to the ON position before use,5.5x2.1mm port output is for DC 5V2A,9V/1A,12V/1A,Suitable for wifi Router LED Strip CCTV Camera and more 5V 9V 12V device. 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. Before use,you must adjust the voltage before turning on the switch,5V 9V 12V can be adjustable,if the 5.5x2.1mm port can not fit your devices,you need to buy convertor,for most LED strip light products, CCTV Camera, IP Camera , LED Panel, Amplifier, Modem, Speaker, Car DVR and more. Application: for Smart 12V mini ups widely use for fingerprint attendance machine, fire safety system, security monitoring system, wireless camera, CCTV camera, personal treatment system,Door security system, personal data assistant, emergency lighting, Alarm system, personal communication systems, radio, digital cameras, camcorders, video camera and more 5V 9V or 12V devices. Specifications: Specifications: Item Type: UPS Uninterrupted Backup Power Supply Material: ABS Color: Back Capacity: 4000mAh Size: 9x5.5x4cm Cable length: about 118cm input: AC 100-240V 50/60Hz 5.5x2.1mm port output: for DC 5V2A,9V/1A,12V/1A max Plug: EU,US,UK(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 4000mAh 5V 9V 12V UPS Uninterrupted Backup Power Supply