High Accuracy IR Infrared Thermometer Non-contact Temperature Gun with Laser Sight LCD Screen with Backlight, Wide Temperature Range -50~380 &deg;C / -58 ~ 716 &deg;F Simple One-Handed operation.Laser Targeting.LCD with Back Light oC/oF Select Switch.Laser ON/OFF Switch.Automatic Power Off.Battery voltage:9V( Included ) Display Hold Function.Response time:  0.8s.Emissivity: 0.95 Fixed Distance to Spot Ratio: 8:1.Spectral Response: 5-14um.Temperature range: -50~380oC ( -58 ~ 716oF ) Accuracy: 2 oC or 2%25.Resolution: 0.1oC ( 0.1oF).Operating temperature: 0~50oC ( 32~122oF).