2-in 1 Portable Diamond Tester Pen with 60X LED Lighted Loupe Microscope Magnifying Glasses Kit Combo Jeweler Tool Kit Feature Intuitive Desig Diamond Tester Pen comes with LED lights and audio-indication. During a test, if the stone tested is a diamond, the LED lights will light up as the stone passes each test conducted by the Diamond detector. Once our Diamond Tester Pen has completed all of its tests, the pen will make a beep sound as well as show a row of fully lite LED lights. Fast Results Diamond Tester Pen is design to deliver fast, accurate results. You will be able to know if something is fake in a matter of seconds. Simple to Use Diamond Tester Pen is simple to operate to get results, professional(s) are not required. Simply turn on our Diamond Tester Pen detector; place the tip of the Diamond Tester on the gem stone (lightly pressed is sufficient) and If the stone is fake, crystal or cubic zirconia, the tester will not beep. To determine the clarity of a diamond use 60X LED lighted Loupe, magnifying glasses. Portable Diamond Tester Pen and 60X LED Lighted Loupe each comes with its own convenient carrying cases. Both items are small and can fit into any purse or backpack. Diamond Tester Pen and 60X LED Lighted Loupe combo is a must have tool kit when you are going to a garage sale, flea market, swap meet, etc. Alternatively, its also a great tool to have when testing your own jewelry. Application Range Industrial Purpose, Circuit Board And Printing , Industry, Medicine, Gardening, Coin, Diamond,Stamp, Jewelry, Appraisal, Education, Geography, Home And Office. Item:Diamond Tester Pen Color: Black Dimensions: 6.5" x 1.5" x 0.75" (Depth) Initial warm-up time: ~ 20 sec. Indicator: Audio- and LED lamps Power: One (1) 9V Battery(s) (not included) Item: 60X Microscope Magnifying Glasses Color: Silver. Lens Material: Glass. Size: 3.7cm 3.5Cm 1.5cm (L*W*H). Power Supply: 3 x LR1130 Batteries (included). Note: Size for manual measurement, there may be a 0 to 3mm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Content: 1 x Diamond Tester 1 x 60X Microscope