This product can be used to detect whether your gemstone is diamond or moissanite. Made of fine quality material, wear- for long service time. Portable size, convenient for carrying. Easy to operate and quick and accurate results. Two powersupply methods, battery (6F22 9V battery) or power adapter.<br><br>The battery is easy to replace, so you don't need to worry its battery. (Battery Not Included) Plug: EU Battery: 9V (not included) Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Voltage: AC 220V Colour:Black Material:ABS<br><br>Package Contents: 1 * Diamond Tester<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.