2 In 1 Moissanite & Diamond Detector Jeweler Diamond Tool Gemstone Tester Tool Item specifications: Condition: 100% Brand New Type: Jewelry Tools & Equipment Tool Type: Diamond/Moissanites Tester Material: Plastic Color: Gray Pattern: Solid Style: Modern Voltage :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 )