Precise non-contact IR thermometer. Simple One-Handed operation. TR Targeting. LCD with Back Light. Celsius and Fahrenheit Select Switch. Safe and easy to use. Ideal for industry and home use. Specifications Temperature range: -50 to 38 Accuracy: ±1.5% or ±1.5 Resolution: 0.1 or 0.1F Repeatability: 1% of reading or 1 Response time: 500mSec, 95% response pectral response: 8-14 um Emissivity: 0.95 preset Distance to spot size: 12 : 1Operating temperature: 0 ~ 40 C (32 ~ 104F) Operating humidity: 10 ~ 95 % R.H. Storage temperature: -20 ~ 60 (-4 ~ 140F) Power supply: 9V Alkaline or NiCd Battery Dimensions: Approx. 155 * 100 * 45mm Suitable for: hot water pipes, hot engine parts, cooking surfaces, hot tubes insulation, electrical connection, ballasts in electric lights, electric motors, bearings, wine coolers hot asphalt, swimming pools, fish tanks, hot & cold food products, heating air conditioning, etc.