Real-time temperature measurement, easy to view, temperature measurement range: -20C-+300C (-4F-+572F)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 refreshedTemperature Gauge for Engines Chain Saw Snowblower Lawnmower ATV Boat Motorcycle MarineBacklit Digital Tach Hour Meter Tachometer for Engines Chain Saw Snowblower Lawnmower ATV Boat Motorcycle MarineTwo temperature units can be switched between C and F, product model: RL-TM003, with sensor: RL-TS002Model name: RL-HM003Sensor model: RL-TS002Measuring range: -20C-+300C (-4F-+572F)Temperature measurement refresh rate: 6sTemperature measurement error: C-+1%Temperature unit: C/FDisplay screen: LED+green backlightScreen size: 40.9x16.9mmInduction line length: 1mBattery specification: CR2032 210mAhWaterproof: IP67Material:ABScolour:BlackPackage Contents:1 x thermometer (built-in battery)1 x sensor1 x adhesive paperOnly 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.