Infrared Temperature Meter High Accuracy Quick Response Data Locking Backlit Display Temperature Detector Item Type: Infrared Temperature Meter Material: ABS Measuring Range: -32 to 400℃, (-25.6 to 752℉) Response Time: < 500ms (95% of the reading) Spectrum Response: 8μm to 14μm Optical Resolution: 10:1 (calculated at 90% energy) Emissivity: Fixed 0.95 Repeatability: 1% of reading or 1℃ Laser: Wavelength 650nm, output power less than 5mW, Class 3 laser Display: Four digits display, maximum display 8888 Auto Shutdown: 15 seconds Operating Temperature: 0℃ to 50℃ (32℉ to 122℉) Operating Humidity: ≤80% RH (non condensing) Storage Temperature: -20℃ to 60℃ (-4℉ to 140℉) Drop Test: Approx. 1m / 3.28ft Battery: 1.5V AAA Battery x 2 (batteries not included)