Weigh envelopes and packages up to 5 kg (11 lb) Compact (23.4 cm L x 21.1 cm W x 4.5 cm H) size fits in busiest workspace, stores in most desk drawers LCD screen displays weight in accurate, easy-to-read digital formatin kg/g (0 kg 000g) or lbs/oz (0 lb 00.0 oz) LED illuminatedHoldfeature locks weight display for 10 seconds after item is removedconvenient when larger package or envelope block display Tare functionweigh items in a container minus weight of container Automatic shut-off when scale not in useprolongs battery life 20 cm x 20 cm (7.9x 7.9) weighing platform Free DYMO Scale Software. Display the scale weight on your Mac® or PC screen. Download the DYMO Scale software: www.dymo.com/scalesoftware Powered by 3 AAA batteries (not included) or USB cable (included) connected to PC or Mac® (Works with Windows® XP, Windows Vista, Windows® 7 or Mac OS® v10.4 or later) Save time and moneyweigh envelopes and packages at your deskWith the compact, accurate DYMO M5