Built-in standalone CPU, quick calculating speed and excellent stability
Non-polarity two-wire bus to make cabling easy, and avoid wrong wiring
Sounder/ visual indicator setting freely according to different environment.
With super bright red LED, it features markedness, long lifespan, and low consumption.
Special production process to make the device work at high temperature, high humidity and high altitude environment6.ESD static protection grade 12000V, strong anti-interference ability.
