Use our Mini OLED Temperature Gauge to monitor temperatures of any solid or liquid device using the (included) IP68 waterproof temp sensor.

With ranges from -40° F – 250° F, this meter can be used to keep an eye on engine temp, hot water tanks, sea surface water temp, air temperature, etc.

This daylight-readable OLED monitor mounts in a common 1 1/8 hole and its compact size enables convenient mounting in any location. This  Mini OLED Temperature Meter is waterproof and displays a clear reading of temperature measurements in Fahrenheit or Celsius.

Accurate temperature measurement with + 1.25% accuracy.  This daylight readable temperature monitor is a great upgrade from an analog device that allows you to quickly see essential temperature parameters on your boat.