This is a non-contact infrared thermometer specifically designed for use with R/C engines, electronic speed controllers, motors, battery packs, and battery chargers etc. Simply aim the infrared thermometer at the target and press the measurement button to quickly and easily display the surface temperature! 

-High accuracy and high speed infrared sensor 
-Four modes for temperature records: Quick Mode / Scan Mode / Max. Value / Min. Value 
-Celsius and Fahrenheit scale selectable 
-Testing a wide range of temperature from -40°C(-40°F) to 380°C(716°F) 
-The infrared emissivity coefficient can be adjusted 
-A large LCD can display temperature, emissivity coefficient and battery’s capacity, etc., and applied with back light, which -make it easy to operate and read 
-Low power consumption and powered by 2 x AAA batteries (Battery Excluded) 
-1 minute auto-off timer to save battery’s life

Ideal for Brushless Motors and speedos as well a Nitro Motor use.