Fangrui Product Details [high-quality]made Of Metal+abs Housing, Small And . (the Jeweller Magnifier You Received Is Complete And A Whole Part That Does Not Need To Be Installed.) [reticle Scale]removable Reticle Scale, Convenient To Measure The Actual Size Of Objects. Lens Can Be Adjusted. [focus Length]adjustable Height ( Length) From 51 Mm To 63 Mm According To Your Different Requirements. [detail]10x Magnification, For Accurate Observation Of Details. 4 Ag9 Batteries (battery Not Included). With 8 Led Lights To Illuminate The Observation Field. [application] Tool For Accurate Observation Of Circuit Boards, Watches, Laboratory Use, Plants, Minerals, Insects, Jewellery, Stamps, And In The Office Etc. Model: Complex Scale Board For Jewelers, Watchmakers, Geologists, Coin And Stamp Collectors, Photographers And Hobbyists. Material:metal+abs Colour:black Package Contents: 1 * Led Scale Loupe Only The Above Package Content, Other Products Are Not Included. Note: Light 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.