United States Postal Service PLUS5 USPS Digital Postal Scales (5-Lb)

Features: 0-5 lb capacity. Light gray finish. 7-segment LCD display. Warm-up time is 3 min or less. Accurate to + 0.1% of reading & + digit. 4 points of automatic calibration for greater accuracy. Auto-off feature saves battery life after 6 min without use. Powered by AC Adapter (included) or 9V battery (not included). Large 5" x 5" platform with fold-up platform top to weigh large letters. Electronic digital scale in 1 lb resolution & 1 lb minimum weight increment. Mechanical overload protection & Tare function will set negative weight to 0 without add-on.