LCD Display 2 in 1 Car Battery Volt Meter and Water Temperature Meter

Input Voltage: DC9V-36V
Detection Range: 9V-31V
Accuracy: 0.1%
Environment Temperature: -10C - 50C
Relative Humidity: 45%-75% RH
Detection Speed: 3-5/seconds
Buzzer on when battery voltage falls below 12V or 24V.
Input voltage: DC9V-36V
Detection Range: -10C - 110C
Accuracy: 0.1%
Environment Temperature: -10C - 50C
Relative Humidity: 45%-75% RH
Detection Speed: 3-5/seconds
2 sizes: Big & Small Temperature switch
Buzzer ON when temperature reach 100 Celsius.