Easy to use 12: 1 ratio infra-red thermometer. Compact and portable tool enabling professionals to diagnose heating/cooling problems and monitor the temperature of electrical motors, electrical panels, automotive exhausts and radiators etc; without contact. Manufactured with enhanced optics for delivering supreme accuracy between the temperature range - 50 to 550°C (- 58 to 1022°F), a maximum temperature alarm and a laser positional guide.