Platform Compatibility: Stamps.com Online, Stamps.com Software
Operating System: Windows XP/Vista/7 and Mac OS X 10.5 or higher
Standalone capable: yes
Capacity: 70 lbs.
Accuracy: 0.1 oz.
Tare feature: yes
Hold/Lock button: yes
Power Supply: USB port (cable included), AC Power (adapter included)
LCD Dimensions: 4/5" H x 2 3/10" L
Scale Dimensions: 9 1/2" (wide) x 1 2/5" (high) x 8 1/2" (deep)
Warranty:1 year replacement or repair for all manufacturer defects
Package Includes: ONYX Products 70 lb. Digital Postal Scale, USB Cable, USB AC Power Adapter, and User Guide