sainlogic Instant Non-Contact Infrared Digital Thermometer Measures in Celsius or Fahrenheit (Range: -58~716 / -50 to +380) Power by 2*AAA Batteries,Auto Shut-off & Auto Backlight Off Instant Result Readout: No more waiting. Know the measured surface temperature within less than a second. Widely Application:Hot water pipes, Hot engine parts, Cooking surfaces, Hot tubes insulation