K9 double-layer lens has the advantages of clearer magnification of 30X, less deformation and double magnification. USB intelligent charging -capacity lithium battery avoids frequent battery replacement. Innovative intelligent dimming mode Three lighting modes: white light, purple light and strong light. Intelligent power-saving two-color switches three LED white lights and three purple lights. Suitable for tobacco and alcohol identification, coin jewelry identification, handicraft appreciation and famous painting appreciation. Describe Name: hand- magnifying glass Material: ABSandmetalandoptical glass Color: Black and White Quantity: 1pc Multiplication: 30X Lens size: 28MM Product size: 157 x 56 x 45MM Battery parameters: 250ahm rechargeable lithium battery Lighting source: 3 x white lamp, 3 x UV banknote detector lamp, 1 x high transparent yellow lamp. Package Contents: 1 x magnifier 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.