The battery operated Gemoro V600M mini pocket scale measures only 3 1/2" x 2 1/4" and has a capacity of 600 grams with a readability of 0.1 gram. Weighs in grams, ounces, and pennyweights. Equipped with a stainless steel weighing platform, bright blue backlit illuminated LCD digital display, and a built-in yet removable protective cover that also serves as a convenient weighing tray for holding jewelry, findings and more. Functions include push button digital calibration, tare, memory, low battery indicator and battery saving auto-off. Powered by (2) included AAA batteries. Made in China.