Note:This product UV lamp is 395nm Specifications: Material: metal Product multiplying rate: 60X standard Lighting source:Three LED lights, three UV lights Battery model:USB charging Product size: 50X53X60mm Color: Black Usage method: Observation method 1: Let the magnifier close to the object to be observed, and keep the distance between the human eye and the object to be observed unchanged. Then move the hand-held magnifier back and forth between the object and the human eye until the image is large and clear. Observation method 2: magnifying glass as close as possible to the eyes. The magnifying glass does not move, moving objects until the image is large and clear. Package Contents: 1pcs 60X double layer Optical Magnifying Glass 1pcs USB 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.