Brand: OTC Tools Manufacturer's Part Number: TIF7201 Part Type: Digital Infrared Thermometers Product Line: OTC Pocket 1:1 IR Thermometers Summit Racing Part Number: OTC-TIF7201 UPC: 687744601375 Temperature Range (degrees F): -27 to 428 degrees F Temperature Increments (degrees F): 0.1 LCD Readout: Yes Backlit: Yes Laser Pointer Included: No Pyrometer Material: Plastic Pyrometer Finish: Blue/Black Power Supply: CR2032 button cells Case Included: No Quantity: Sold individually. OTC Pocket 1:1 IR Thermometers OTC pocket 1:1 IR thermometers are lightweight， compact and feature system-on-a-chip technology. An innovative optical lens provides highly accurate measurements over wide temperature ranges with a 1:1 distance to spot ratio. Easy-to-use， simply point the infrared thermometer at desired target and press the trigger for temperature reading. The 1:1 IR is a great tool for automotive， electrical， HVAC and general home use.Pocket 1:1 IR thermometer features include:* Distance to focus ratio 1: 1* Backlit LCD display with dual readings* Celsius and Fahrenheit switch with max function* Temperature range of -27-to-428-degree F (-33 to 220 degree C)* Auto real time max data* Auto power off after 15 seconds* Battery level indicator* Requires batteries for operation， which are included