Features:Good Material - It is made of solid durable ABS housing, high sensitivity alloy probe, rubber protective cap, well heat-conducting plate.Fast & Precise Measurement - A quick, accurate, safe way to distinguish diamond from the simulants, brings no harm to the diamond.Easy Use - Turn on, wait for heating up ready, hold(finger on heat-conducting plate), use the probe to make 90-degree contact with the measured object.Intuitive Design - Sound beep and LED lights straightforwardly indicates test result(beep & light: diamond, continuous buzzing sound: metal, no signs: simulants).Portable Size & Leather Bag - compact, lightweight diamond tester, powered by 1 x 9V 006p battery, comes with a leather case, for easy store, carry.Specifications:Material: Plastic + Electronic ComponentsColor: BlackProduct Dimension: 160*40*23mm / 6.29*1.57*0.90inProduct Weight: 60g / 2.11ozPackage Size: 185*60*30mm / 7.28*2.36*1.18inPackage Weight: 118g / 4.16ozNote:Diamond tester set only, other accessories in the pictures are not included.Please read the user manual carefully for more information before usage.Due to lighting or other reasons, the picture and material object may slightly differ.Due to manual measurement, there may be deviation, please in kind prevail.Packing List:1 * Diamond Tester1 * Bag1 * User ManualOur products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days.When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specificationsWe want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''t hesitate to contact us. We are here to help and will do our best to assist you.Thank you for choosing our product. We hope you enjoy it