Auto off function 6 weighing modes Low battery indication Auto Calibration Overload & under-overload protection Full Capacity Tare function 2 Pcs 1.5 AAA batteries included Specifications Capacity: 100g Readability: 0.01g Weighing Modes: g, oz, ozt, dwt Tare Range: Tare Full Capacity Fuzion Professional Digital Mini Scale with flip top hinged lid, Comes with a 10 Year warranty, warranty Card Included. COLOR: Black 100g x 0.01 Scale. Case measures: 4.25" wide - 2.5" wide - 3/4" thick Scale weighing surface is roughly 2.5" wide x 2.25" long. Auto off feature. Not only are these scales ultra portable, they weigh up to 100 grams in 0.01 gram increments. Super stylish and ultra slim. Perfect for weighing anything from jewelry to precise food portions. Extremely light weight and accurate at the same time.