Features:

• Extra-large, 0.75 inch high digits on an easy-to-read LCD display.
• Engineered for freedom of patient weighing.
• Just touch the BMI key and utilize the toggle arrows to adjust the patient height for the BMI calculation.
• Compact design is ergonomic and easy for the patient to weigh.
• Use either 6 “AA” batteries or the AC adapter (optional).
• Easy to remove from the scale column for battery replacement.
• Lock/Release key for viewing weight after the patient steps away from the scale.
• Units conversion for LB or KG.
• Heavy steel construction for years of service.
• Operating Temperature: 14 to 104 ºF (-10 to +40 ºC)
• Display: six digit, seven segment, 0.7 inch high LCD
• Sensitivity: 0 to 2.4 mV/V
• Signal input range: 0 to 12mV max
• Transducer excitation: 5.0 VDC
• Resolution: 2,500 divisions
• Capacity: 400 x 0.2 lb (181.4 x 0.1 kg)
• Division value: 1, 2, or 5
• Sample rate: 1 to 16 samples per second
• Auto zero range: 0.5 or 1 through 9 divisions 
• Weighing units: pounds, kilograms, pounds/kilograms and kilograms/pounds
• Keyboard: membrane type with 5 keys and 4 directional arrows
• Enclosure size: 6.125in W x 6.75in H x 1.75in D (16 cm W x 17 cm H x 4 cm D)
• Construction: painted steel

Please see link below for digital weight indicator w/ serial port:

Digital Weight Indicator w/ Serial Port

Manufacturer warranty: 90 days & 1 year parts