Real-time temperature measurement, easy to view, temperature measurement range: -20°C-+300°C (-4°F-+572°F) The maximum temperature can be recorded at the temperature sensor. The maximum temperature can be viewed and manually reset at any time. If the historical value is exceeded, the data is automatically refreshed Temperature Gauge for Engines Chain Saw Snowblower Lawnmower ATV Boat Motorcycle Marine Backlit Digital Tach Hour Meter Tachometer for Engines Chain Saw Snowblower Lawnmower ATV Boat Motorcycle Marine Two temperature units can be switched between °C and °F, product model: RL-TM003, with sensor: RL-TS002 Model name: RL-HM003 Sensor model: RL-TS002 Measuring range: -20°C-+300°C (-4°F-+572°F) Temperature measurement refresh rate: 6s Temperature measurement error: °C-+1% Temperature unit: °C/°F Display screen: LED+green backlight Screen size: 40.9x16.9mm Induction line length: 1m Battery specification: CR2032 210mAh Waterproof: IP67 Material:ABS colour:Black Package Contents: 1 x thermometer (built-in battery) 1 x sensor 1 x adhesive paper Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.