Specifications: Maximum scale: 300g Minimum scale: 0.01g 7 Unit Switch: g/oz /ozt /dwt /ct /t i/gn Backlit LCD Display Bright Backlight: White Low Battery Alarm Power Control: Auto Off feature to save battery after 1 minute Bright Backlight: White Power Supply:2 x AAA battery ( not included) Auto power off Operation temperature: 10--30ºC Low battery voltage alarm Counting functions Seven weighting units: G, CT, OZ, OZT, DWT, TL, GN * Package included: 300g x 0.01g Digital Jewelry Pocket Gram Scale x1 Protective pouch x1 User manual x1