ACCURATE And PROFESSIONAL: This Mechanical Tray Balance Scale adopt high precision sensor system, it has 0.001g accuracy so it is extremely precise, and provides you with instant and accurate results from 0.001g to 50g.MEASUREMENTS: The scale includes all the necessary weighing unites: g, oz, ozt, dwt, ct, gn. Set the scale to your desired measurement by pressing the mode button.MULTIPLE FUNCTIONS: This Mechanical Tray provides an accurate count and tare weighing function ensures more precise result. It can be used as Lab scale, Jewelry scale, powder scale, carat scale and more.POCKET SIZE: The compact and lightweight design of this mini scale makes it easy to carry around in your pocket or keep on your desk. It also easy to operate and has clever windshield technology to avoid external disturbances.Features: This Mechanical Tray Balance Scale is mainly made according to mechanism and lever principle. adopt high precision sensor system,and the scale includes all the necessary weighing unites: g, oz, ozt, dwt, ct, gn.Provides an accurate count and tare weighing function ensures more precise result. As a small indoor weigh instrument, it is featured with easy to operate and carry. And it is an ideal teaching tool for chemical and physics experiments. Specification Max Weighing: 200gDivision Value: 0.2gPackage weight: Approx. 522g / 18.4ozPackage list: 1 * Tray Balance 1 * Tweezers 1 * Weight 5g 1 * Weight 10g 2 * Weight 20g 1 * Weight 50g 1 * Weight 100g