Features: Brand new and high quality Input 5.5x2.1mm port is for 12.6-13V 2A,5.5x2.1mm port output is for 12V 2A,5.5x2.1mm port output is for 9V1A,USB output is 5V2A,Suitable for Routers LED CCTV Cameras and more 5V 9V 12V device. As USB power Bank for cellphone tablets and more devices,3in1 design,easy to use. Widely use for fingerprints attendance machine, fire safety system, security monitors system, Cameras, CCTV Cameras, lighting, communication system, digital cameras, camcorders, video Cameras and more 5V 9V 12V devices. The first for time you need to install the 18650 then press button on the back of the circuit board to activates use of this product. Perfect for photographers, event organizers, and anyone in need of power. Specifications: Material:Plastic 5.5x2.1mm input: DC12.6-13V 2A 5.5x2.1mm port output: DC12V 1-3A 5.5x2.1mm port output: 9V1A USB port output: 5V 2A Size:Approx.125x93x25mm/4.92x3.66x0.98inch Package Includes: 1x DIY Power Bank Boxs(18650 batteries are not included) 1x 5.5x2.1mm to 5.5x2.5mm Cable note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.