Measurement range: 5% -40%

  Resolution: 1%

   High accuracy and fast response

   Reading value lock function, can lock the measured value

   Symbol and unit display, easy to read

   Low voltage automatic prompt symbol "" (ultra-low voltage automatic shutdown)

   Power source: Single 9V alkaline or carbon zinc battery

   Meter size: 126 × 70 × 29mm

   Weight: about 150g (including battery)

   Operating temperature and humidity: 0 ° C ~ 40 ° C (32 ° F ~ 104 ° F) 0 ~ 70% Rh

   Automatic shutdown when the detector is not used within 3 minutes, saving power

   Need to press and hold for 2 seconds during startup