2 In 1 Moissanite \u0026amp; Diamond Detector Jeweler Diamond Tool Gemstone Tester ToolItem specifications:Condition: 100% Brand NewType: Jewelry Tools \u0026amp; EquipmentTool Type: Diamond\/Moissanites TesterMaterial: PlasticColor: GrayPattern: SolidStyle: ModernVoltage :AC 220V DC 9V or use the battery ( battery not include )Item features:- Automatic and manual mode.- Linear display for increased information.- Adjustable gain for small stone sizes.- Compensation for ambient temperature.- Fast warm up time, ten seconds!- Portable battery ( not include due to shipping limit )- Auto shut-off with a push button switch.- Unique new anti-fade circuit which compensates for stone heating.- Low battery indicator for accurate readings.- Multipurpose alarms. a. Beeps when ready. b. Metal alert. c. Beeps repeatedly when testing a diamond.Package includes:1 x Diamond\/Moissanites Tester (include a power adapter , but without battery for airmail forbidden,thanks )