Features: brand new and high quality. Application: for Smart 12V DIY mini ups box 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 12V devices. As USB powerbank for Cellphone Tablet and more devices,3in1 design,easy to use. Input 5.5x2.1mm port is for DC 12-13V 2A,5.5x2.1mm port output is for DC 12V 2Amax,3.5x1.35mm port output is for DC 9V 1A,USB output is 5V2A,Suitable for wifi Router LED Strip CCTV Camera and more 5V 9V 12V device. The first for time you need to install the 18650 battery,then press the button on the back of the circuit board to activate the use of this product. Specifications: Item Type: 18650 Li-ion Battery DIY UPS Power Supply Box Material: ABS Color: Black Size: 9.3x8.7x2.7cm 5.5x2.1mm input: for DC 12-13V 2A 5.5x2.1mm port output: for DC 12V 2A max 3.5X1.35mm port output: 9V 1A max USB port output: 5V 2A max Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 X DIY Power Bank Box(18650 batteries are not included)