Ultraviolet function, effectively sanitizes face masks and other tools, providing excellent cleaning. UV deep ultraviolet lamp beads, efficient light transmission, colorless and odorless cleaning. Handheld UV close-range cleaning; the closer the ultraviolet distance, the better the effect. Type-C universal interface, can be used for approximately 2 hours after a single charge. Lightweight and compact, easy to carry when going out. Item Type: Ultraviolet Cleaning Lamp Material: ABS + Electronic Components Power: DC5V; built-in 320mAh lithium battery Port: TYPE-C USB interface Charging Time: Approximately 2 hours Continuous Use Time: Approximately 2 hours Power: 5W (Total 2 LED ultraviolet cleaning lamps) UVC Cleaning Wavelength: 260~280nm; Irradiance: ≤454um/㎡ How to use the special UV test paper: The UV cleaning lamp is irradiated at a short distance to the flower; the center of the flower will turn purple, and the color will fade after about one minute without irradiation. Package Includes: 1 x Main Machine 1 x Manual 1 x USB Cable 1 x Storage Box 1 x UV Test Paper Your 100% satisfaction is our top priority. We will provide you with the best service. If you encounter any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately, and we will provide you with the best solution!