Shanghai Total Industrial Co., Ltd.  

Product Description MODEL: DMT-100Product introduction: 1. When distinguish the true and false diamond, it shows the result of measuring with 2 kinds of sounds and 3 kinds of colors LED. It is used widely and measure accurately. 2. Power supply: 9V batteryMODEL: DMT-200Product introduction: 1. It is a novel instrument specially designed in order to distinguish rough diamond from Moissanite. It can differentiate Diamond and Moissanite fleetly by showing two kinds of colors LED. It is recommended to be used after positive testing result for diamond. 2. Power supply: 9V battery.