The thermometer is lightweight and compact. With the backlight colorful screen display, it is easy to read. Laser aiming allows for accurate targeting. It automatically shuts down after 20 seconds. Celsius and Fahrenheit units are interchangeable. Item Name: Infrared Thermometer Material: ABS Model: 550 Power Supply: 9V Battery (Included) Accuracy: ±1.5°C Temperature Range: -50°C to 550°C (-58°F to 1022°F) Resolution: 0.1°C or 0.1°F Repeatability: 1% or 1°C Response Time: 500ms Spectral Response: 8-14μm Emissivity: 0.95 preset Distance to Spot Ratio: 10:1 Operating Temperature: 0-40°C (32-104°F) Operating Humidity: 10-95% RH Storage Temperature: -20-60°C (-4-140°F) Size: 14cm x 7cm x 3.8cm / 5.51" x 2.76" x 1.5" (Approx.) Note: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Slight dimensional variations may occur due to manual measurement. Package Includes: 1 x Infrared Thermometer 1 x User Manual