Features： 1、Ultraviolet UVC?LED lamp bead design, cleaning up to 99.9% in 10 seconds. 2、During work, it can be used to clean the computer and keyboard, making your computer cleaner and more safe to use. 3、Hotel toothbrushes, cups, and towels can be cleaned, making business trips/travels more secure. 4、The LCD screen design can accurately grasp the cleaning time and make it more convenient to use. 5、Small and portable, you can put it in your pocket or bag when you go out. Specification： Condition: Item Type: UVC Light Material: Aluminum Alloy + ABS + Acrylic + Electronic Components Lamp Beads Power: 10mw Lamp Bead Wavelength: 265-285 Product Voltage: 5V Power Supply Mode: Lithium Battery Power Supply Battery Capacity: 750 mAh Charging Method: USB to Type-C Cleaning Principle: Ultraviolet light cleaning Product Size: Approx. 17 x 3 x 1cm / 6.7 x 1.2 x 0.4in Instructions: 1. The power indicator light is on, lightly press the side of the machine to turn on the key 2. Long press the touch button (power mark) on the display panel for 5 seconds, until the timer on the top of the panel starts to work (while the UV lamp beads start to work) Package List： 1 x UVC Light 1 x USB To Type-C Power Cord 1 x Manual