The infrared thermometer is suitable for non-contact temperature measurement. The thermometer determines the surface temperature of the object by measuring the infrared energy of the radiation from the surface of the object. Features: Portable infrared thermometer with wide measuring range is suitable for non-contact temperature measurement of object surface. Clear LCD screen for easy reading, with data hold function and ℃/ ℉ unit switching function. Normal or maximum measurement mode selectable; with temperature upper/ lower limit alarm function. With laser on/ off function in measurement mode; with emissivity setting function. Compact and lightweight, comfortable and non-slip handle, powered by 2 AAA batteries (not included), easy to use. Widely used in food processing, refrigeration, metal processing, industrial industry, manufacturing and so on. Note: 1. Please read the user manual carefully for more details. 2. Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding. Specifications: Model: HT641A+/ HT641B+ (Optional) Temperature Measuring Range: HT641A+: -50~400℃ / -58~752℉ HT641B+: -50~600℃ / -58~1112℉ Accuracy: ±3℃ (-50~0℃ / -58~32℉), ±2% or ±2℃ (0~600℃ / 32~1112℉) Temperature Unit: ℃/ ℉ Color: Black & Red Material: ABS Screen: LCD D : S: 12 :1 Emissivity: 0.10~1.00 Response Spectrum: 8~14μm Laser: ＜1mW/ 630-670nm, Level 2 Auto Shutdown: about 30s Power Supply: 2 * AAA Battery (not included) Working Temperature: 0~40℃ Storage Temperature: -10~60℃ Item Size: 142 * 85 * 38mm / 5.59 * 3.35 * 1.50in Item Weight: 97g / 3.42oz Package Size: 18.5 * 11.5 * 5.3cm / 7.28 * 4.53 * 2.09in Package Weight: 184g / 6.48oz Package List: 1 * Infrared Thermometer 1 * User Manual (English)