Features: Premium Material: Crafted with a solid, durable ABS body, a highly sensitive alloy probe, a protective rubber cover, and a thermally conductive plate. Fast & Accurate Measurement: A quick, precise, and safe method to distinguish diamonds from simulants without damaging the diamond. Easy to Use: Simply power on, wait for warm-up, hold (fingers on the heat plate), and place the probe in 90-degree contact with the target. Intuitive Design: A beep and LED indicators directly display the test result (Beep and light: diamond, continuous buzz: metal, no sign: simulants). Portable Size & Leather Case: Compact, lightweight diamond tester, powered by 1 x 9V 006p battery, comes with a leather case for easy storage and transport. Specifications: Material: Plastic + Electronic Components Color: Black Product Dimension: 160*40*23mm/6.29*1.57*0.90inch Product Weight: 60g Package Size: 185*60*30mm / 7.28*2.36*1.18inch Package Weight: 118g Note: Diamond test set only, other accessories in the pictures are not included. Please read the user manual carefully for more information before using. Due to lighting or other reasons, the picture and material object may be slightly different. Due to manual measurement, there may be some deviation, please in kind. Packing List: 1 * Diamond Tester 1 * Bag 1 * User Manual