The GXL-NEXT is the most complete electronic tester in the world. With the ability to test gold, silver, and platinum, it is the only tester you’ll ever need. This tester has a full range of karat determination from 6 to 24 karats (10, 14, 18, 22, 24, and all karats in between). The quick mode feature instantly tests and measures yellow gold in 10, 14, 18, 20, 22, and 24 karats. Also, the new touch mode allows for testing without the push of a button. The GXL-NEXT doesn’t require calibration with each use and is capable of 1000+ clear and clean tests per cartridge! Our liquid testing solution is harmless and contains no toxic chemicals. And even if the senor is left uncapped, it won’t deteriorate or dry out like marker-based sensors. This revolutionary tester does it all. Welcome to the next generation of electronic gold testers! Two years manufacturer’s repair/replacement warranty.