Chair Scales

Capacity:  400 lb x 4 oz

Type:  Mechanical

Capacity:  400 lb x 0.2 lb

Display:  0.7 in (19 mm) high LCD, 6 digit, 7 segment

Power:  6 AA batteries (not included) or optional AC adapter

Keyboard:  Membrane type with 5 keys and 4 directional arrows

Function Keys:  ZERO, UNITS, LOCK/RELEASE, BMI/ENTER, ON/OFF, Arrow Keys, Down Arrow/PRINT

Shipping Weight:  78 lb / 35.3 kg

Connectivity:  RS232 serial port 

6880 Capacity:  440 lb x 0.2 lb 

Display:  0.7 in high LCD, 6 digit, 7 segment

Power:  6 AA batteries (not included) or optional AC adapter

Keypad:  Membrane type with 5 key s and 4 directional arrows

Construction:  Painted Steel

Connectivity:  RS232 serial port