Specifications:

Barometric pressure measurement tolerance: +/-3hPa @0-50°C. Accuracy: 0.1hPa

Temperature Tolerance: +/-0.5°C. @25°C. Accuracy: 0.1°C.

Humidity Tolerance: +/-4.5%, Accuracy: 1%

Clock Tolerance: +/-30 seconds per month

★High-precision, micro-pressure, temperature and humidity sensors imported from Switzerland
★External alarm can be connected
★LCD display, digital direct reading
★Using ultra-low power consumption microcontroller
★Out-of-range indication
★Power display
★48 hours atmospheric pressure graph display.
★The alarm air pressure value can be set.
★Multiple language options.
★Date and time setting and display
★LED backlight setting
★Air pressure correction function
★Atmospheric pressure and temperature unit setting
★Adopt German imported micro pressure sensor, ultra-low power consumption microcomputer, high performance instrumentation amplifier. Fixing method:
*Can be fixed on the wall by fixing the back clip.
*The stand can be pulled out and placed on the desktop
*Can be glued to car or boat

Power supply:
*Can use 4 AA alkaline batteries or Ni-ZN batteries
*Can be powered by USB interface.
*Can be supplied with a wall-mounted AC/DC 12V 300mA adapter