● Instrument meets IP67 protection grade, can work in 1 meter underwater;

● Double anti-fog glass mirror;

● 316 stainless steel ring with convex glass mirror;

● Compound fast plug, easy to use;

● Red and yellow back lights are available;

● The default operating voltage is 12V

-- When the moving-magnetic instrument is used at 24V working voltage, it needs to be connected with additional resistors;

- Stepper motor and LCD instruments are compatible with 24V operating voltage.