Instant non-contact surface temperature measurement in Celsius or Fahrenheit. Ideal for taking ceiling and floor temperatures of greenhouses, broilers, hatcheries and confinements. With less than one second response time, this model is useful with moving products or in hard to reach places.8:1 field of view. Temperature range of 32°F to 122°F. Updates every 15 seconds. Uses two AAA batteries which is included along with a carrying case. Comes in a hanging retail pack.