The TUFF-WEIGH digital mini scale features a rubberized, impact-resistant exterior for maximum durability with a shape that easily fits in your pocket or bag. Ideal for arts and crafts, hobbies, cash and carry stores, headshops, jewelry, and sport and shooting purposes. The hinged cover can detach to be used as a weighing tray, giving you ample room to weigh. The backlit LCD features large digits for clear, easy-to-read results. Built-in overload protection helps prevent damage to the scale. Other features include Programmable Auto-Off (0, 60, 120, or 180 seconds of inactivity, 0 = Auto-Off Disabled), Tare/Zero feature for subtracting the weight of a container or expansion tray, and easy one-touch calibration. Backed by a Ten Year Limited Warranty. Truweigh: Quality You Can Measure. Digital Scale Features: Max Capacity: 100g / Readability: 0.01g Rubberized Impact Resistant Design Programmable Auto-Off Easy One-Button Calibration Tare/Zero Convert Automatically Between g, oz, ozt, dwt, ct, gn Built-in Overload Protection Back-lit LCD for easy reading Programmable Auto-Off (0/60/120/180 Seconds)