We provide you with a great product.I hope you are satisfied with our products.<br />GM550 Thermometer LCD Display Digital IR Infrared Non-Contact Laser Gun<br />GM550 Non-Contact IR Infrared Digital Temperature Temp Meter -58 oF ~ 1022 oF<br />no-contact GM550 Infrared IR Thermometer Laser Gun LCD -50~550C Portable 12:1<br />Product Description: <br />Precise non-contact IR thermometer、 safe and easy to use. sight allows accurate targeting.<br />Simply point to an object and read its temperature.<br />Consist of optics、 temperature sensor、 signal amplifier、 processing circuit and LCD display.<br />on/off switch、 Auto power off & temperature data hold. 20 seconds auto power off.<br />Celsius and Fahrenheit switchable. Lightweight and compact.<br />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.<br />Specifications:<br />Temperature range: -50 to 550→ (-58 to 1022F)<br />Accuracy: ÷1.5% or ÷1.5→<br />Resolution: 0.1→ or 0.1F<br />Repeatability: 1% of reading or 1→<br />Response time: 500mSec、 95% response<br />Spectral response: 8-14 um<br />Emissivity: 0.95 preset<br />Distance to spot size: 12 : 1<br />Operating temperature: 0 ~ 40→ (32 ~ 104F)<br />Operating humidity: 10 ~ 95 % R.H. <br />Storage temperature: -20 ~ 60→ (-4 ~ 140F)<br />Power supply: 9V Alkaline or NiCd Battery<br />Dimensions: Approx. 155 * 100 * 45mm<br />Package size: 212 * 157 * 47mm<br />Package including:<br />1 * Infrared Thermometer<br />1 * User Manual