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Appearance
Charge indicator
DC power port
Nixie tubes
Three variations were designed for Divergence Meter with different tubes, which have
different appearance.
EDGE version uses NL-5440A made in the USA.
Plus version uses IN-8-2 Nixie tubes made in Soviet Union.
Pro version uses IN-14 Nixie tubes made in Soviet Union.
IR receiver
GPS port
Micro-USB port
Power
switch
Temperature
sensor
Fixe screw (six in total)