An indicator is a specific, observable and measurable characteristic that can be used to show changes or progress a program is making toward achieving a specific outcome . There should be at least one indicator for each outcome. The indicator should be focused, clear and specific. https://youtu.be/rFVyMY9wQFU Features: Multi-Functional Control Purpose Indicator Limit/Packer/Checker/Testing Application 3pcs Control Relay built-in—2 Set Point Specifications: 1/8 DIN Size : 48(W) X 48(H)mm Power : DC 24V without polarity(Consumption about 500mA per 1 Load Cell) Option : RS422/485, 0-10V/4-20mA Package Include: 1 X Small indicator GI-830