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316L stainless steel for long-term use even in acid-base,humid environment
IP67 waterproof and dustproof grade.
Stepper motors used for full range of stepping gauges,great feature with its less power consumption,longer life,higher precision,etc.
With ultra-wide working voltage design (long-term operating voltage:9-32v,maximum up to:36v).
Backlight for standard is red
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