The TR Series digital pocket scale is designed to provide a robust, portable weighing solution when the budget is top priority, The protective cover keeps the scale safe from shock loads that can damage the internal sensor and can even be removed to use as a weighing tray, A brilliant blue backlight makes weighing fast and easy, Great for weighing on the go!, Battery Saving Auto Shutoff After 60 Seconds of Non Use, Overload Indication, Back Lit LCD, Auto Zero Tracking, Multiple Weighing Units: g, oz, ozt, dwt, Tactile Key Operation, Capacity: 100g / 3, 527oz / 500ct / 1534, 2gn, Readability: 0, 01g / 0, 001oz / 0, 05ct / 0, 2gn, Min, Capacity: 0, 03g, Tolerance: ±0, 02g (±2d), Weighing Units: g (gram), oz (ounce), ct (carat), gn (grain), Calibration Weight: 100g (sold separate), Platform Dimensions: 2"" x 2, 3"", Scale Dimensions: 0, 7"" x 2, 4"" x 3, 8"", Auto Off: 60 seconds of non use, Power: 2 x 1, 5V ""AAA"" Alkaline Batteries (included), Color: Black, SKU: AWS346