Red laser pointer for precise aiming; Distance Spot Ratio 12:1 * Engineered to high precision standards. Accurate readings from -58 to 1382°F (-50 to 750°C); Temperature readings for current and maximum temperature; Celsius and Fahrenheit switchable * Instant-read with less than 1 second response time; Auto shutoff at 15 seconds when idle * Standard 9V battery; Continuous 14 hours battery life; Low battery indicator; Ability to measure hazardous, inaccessible and moving objects * FDA, FCC approved. FDA Accession Number: 1310632-000 FCC Registration Number: STE130617810A