Features:  1. Non-contact industry thermometer with 12 points temperature test area indicate.  2. Temperature difference alarm, maximum and minimum values can be set.  3. IR02B, IR02C with contact probe, can accurately measure liquid temperature.   4. Other functions:Mildew temperature,Dew point temperature(Only for IR02C).     Specification:  Range of temperuature measurement:  IR02A: -50 ~ 800°C.  IR02B: -50 ~ 800°C, with temperature probe.  IR02C: -50 ~ 800°C, with temperature probe, Ambient temperature: -10 ~ 60°C, Ambient humidity: 0% ~ 100% RH mildew and dew point temperature.  D: S: 12: 1.  Emissivity: 0.1 ~ 100.  Ajustable response spectrum: 8 ~ 14um.  Laser positioning: 12 point ring indicates.  Temperature sensitive zone Laser: <1mW / 630-670nm.  Level 2 response time: <0.5s.  Temperature difference alarm: free set upper limit and lower limit alarm in temperature range.  Automatic shutdown: 30 seconds.     Package includes:  1 x Digital Infrared Thermometer (Battery not included).  1 x Cloth bag.  1 x Manual.  1 x Packing box