American Weigh Scales MB-650-HOTEL Hotel 650 x 0.1G Matchbox Scale 1.4 x 2.9 x 0.5" Stealth scale disguised as a matchbox. Fits in a shirt pocket, has the same look and feel as a matchbox. Removable plastic cover can be used as an expansion tray. Decorative paper sleeve disguises the scale to look like a matchbox from a hotel Capacity: 650 g / 22.92 oz / 20.89 ozt / 418 dwt / 3250 ct / 10031 gn Readability: 0.1 g / 0.01 oz / 0.01 ozt / 0.1 dwt / 0.5 ct / 2gn Power: 1 x CR2032 (included) 10 year limited manufacturer's warranty.