Specification Brand : Fafeicy BulletPoint1 : [Versatile Use] Suitable for testing various sizes of stones, matched with a testing for loose stones. BulletPoint2 : [Easy to Use] Portable with led light and audio indication for simple calibration and accurate readings. BulletPoint3 : [Lightweight Design] Convenient carrying case included, making it easy to use at home or on the go. BulletPoint4 : [Detailed Manual Included] Comes with a detailed user manual for easy reference and setup, for jewelry design and repair. BulletPoint5 : [Real Indication] Red light and audio beep if the stone is a real , ensuring stable testing results. Color : Brass, Brown, Silver, Wood Tones ExternallyAssignedProductIdentifier : 8049158269619 ItemName : Portable Tester Tool, LED light and audio result indication, Accurate Reading, Lightweight with Carrying Case, User Manual included, Digital Tester ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 19 centimeters ItemPackageDimensions_Width : 6 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : jewelry-diamond-testers Manufacturer : Fafeicy Material : iron block ModelName : Fafeicyoydikgb6ac ModelNumber : Fafeicyoydikgb6ac NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : Fafeicyoydikgb6ac ProductDescription : Specification: Color: Black Power supply: 1 * DC006P 9V Battery Item size: 16 * 4 * 2cm (6.6 * 1.6 * 0.8in) Item weight: 62g / 2.2oz Package size: 18.5 * 5.6 * 3.5cm (7.3 * 2.2 * 1.4in) Package weight: 121g / 4.27oz