Your portable treasure detector is suitable for the identification of jewelry, wenwan, postal coins, calligraphy and painting. The lens adopts high-quality technology, and the color reduction imaging of K9 double-layer lens is transparent. Long press to adjust brightness and short press to switch white light and purple light to meet the needs of different use environments. Press and hold the light button, and the light will gradually become stronger, which can be adjusted according to the surrounding light to adapt to the comfort of the eyes. Rechargeable function built-in lithium battery USB-C charging is convenient and environmentally friendly. Name: Magnifier Set Lens size: 30mm in diameter Magnification: 60X (optical 10X) Lighting mode: 3*LED lamp +3*UV violet lamp. Colour:silver+black Material:ABS Package Contents: 1 x Magnifier set (1 x Magnifier, 1 x data cable) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.