Specifications for OCS-5A
Capacity/Readability: 5kg/5g, 10kg/10g
Weighing Modes: kg, bl
LCD-display
Auto zero and auto off
Low battery and over load indication
Operating Temp.: 0-40
Air humidity: 20-90%Power:
3 pcs AAA battery
Dimensions: 92 x 53 x 19mm

Specifications for OCS-20B
Capacity/Readability: 20kg/20g, 30kg/20, 50kg/50g
Weighing Modes: kg, bl
LCD-display
Auto zero and auto off
Low battery and over load indication
Included tape measure and thermometer
Operating Temp.:0-40
Air humidity: 20-90%
Power: 2 pcs CR2032 button lithium battery
Dimensions: 65 z 120 x 23mm