This Microtemp mini IR thermometer is compact in size, making it easy to use and carry with you, even on a key chain. Provides distance-to-sight ratio of 1:1 (measures 1in. area at 1in. distance) and less than 1-second response time. Batteries Required: Yes, Thermostate Range (°F): Noncontact readings from -27230°F, LCD Display: Yes, Dimensions L x W x H (in.): 3 5/8 x 1 1/4 x 6, Storage Case Not Included, Battery Type: LR44, Laser Guide: No, Temperature Scale: Celsius, Fahrenheit, Ratio: Distance-to-sight ratio of 1:1, Material Type: Black plastic, Includes: (1) Second response time, Single, Pair, or Set: Single, Charger Not Included, Accuracy: +/2F, Common Usage: Diagnostics Thermometer.