Point of sale

Model : CAS PD-2Z

Specifications : 

• 15, 30, 60, and 150 lb capacities
• Weigh in pounds or ounces
• Dual Range
• Interfaces to most POS systems
• Easy to Read Tilt Display
• Auto Span Calibration & Auto Zero Tracking
• 15(W) x 11(D) x 3.1(H)
• Legal for Trade
• RS-232 Interface

See manufacturer's documentation here