Features Easily measure temperature even in dangerous and hard-to-reach places. Gun type with easy to read display and easy measurement. Purpose For measuring the temperature of air conditioners, equipment, etc. Specifications/Standards Functions: Continuous measurement mode, maximum/minimum average (MAX/MIN/AVE), maximum-minimum (MAX-MIN), alarm, backlight, auto power save (APS) Measurement temperature range (℃): -60 to 550 Minimum temperature display (℃): 0.1 Width (mm): 48 Depth (mm): 119 Height (mm): 172 Measurement field of view (mm): Φ83 (at a distance of 1m) Aiming laser: 2 beam laser marker (class 2,1mW Max) red Power supply (V): AAA alkaline batteries x 2 (included) Power supply: AAA alkaline batteries x 2 (included) Continuous use time (h): Approximately 140 hours Emissivity correction (e): 0.10 to 1.00 Response time (s/90%): 1 Warranty period: 3 years Distance measurement range ratio (D to S): 12 to 1 Emissivity: 0.10-1.00 Mass/mass unit 256g Set contents/accessories Carrying case x 1 AAA alkaline battery (LR03) x 2 Instruction manual x 1