Features: This digital thermometer has an in-built sensor that provides precision for measuring specific areas. Non-contact infrared thermometer with a 12-point temperature display to indicate the measurement area. Temperature difference alert function allows easy setup of maximum and minimum temperature values. Four models available: IR01A measures from -50°C to 380°C, IR01B measures from -50°C to 550°C, IR01C measures from -50°C to 550°C with ambient temperature and humidity detection, IR01D measures from -50°C to 800°C with ambient temperature and humidity detection. Adjustable emissivity from 0.10 to 1.00 for versatile use across different surfaces. The thermometer is lightweight and portable, designed to fit easily into pockets or backpacks for convenient transport and use. LCD display with backlight for clear and easy reading in various lighting conditions. Specifications: Name: IR01A Industrial Infrared Thermometer Color: Black Model: IR01A, IR01B, IR01C, IR01D (optional) Material: ABS Plastic Measuring Range: - IR01A: -50°C to 380°C - IR01B: -50°C to 550°C - IR01C: -50°C to 550°C with hygrometer - IR01D: -50°C to 800°C with hygrometer Ambient Temperature: -10°C to 60°C (for IR01C) Ambient Humidity: 0% to 100% Laser Output: <1mW, 630-670nm, Class 2 Spectral Response: 8-14μm Response Time: <0.5 seconds Emissivity: 0.10-1.00 adjustable Distance to Spot Ratio: 12:1 Operating Temperature: 0°C to 40°C Storage Temperature: -10°C to 60°C Auto Power Off: After 30 seconds of inactivity Power Supply: 2 x 1.5V AAA batteries (not included) Package Dimensions: 193 x 121 x 51mm Package Weight: 217g Package Contents: 1 x Thermometer 1 x User Manual