1. High power square magnifying glass, optical magnifying glass. 2. 2 LED auxiliary lighting +1UV violet lamp effect display. 3. Wide range of use: drawing, read books and spapers, antiques appreciation, manual repair etc. 4. Magnification display Real s amplification effect, clear amplification see. Product multiplier :32 times, 36 times, 44 times, 50 times Lens length: 31.25mm, 27.7mm, 22.7mm, 20mm Battery parameters: 1.5V AAA battery ( Package does not include battery) The actual color may be slightly different, but it does not affect the use Color: As shown Material: Plastic + Lens Package Contents: 1 x 50x 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.