Laser 6430 Digital Infrared Laser Thermometer With MIN/MAX Data Function Features and Benefits:Part of the Laser range of Workshop tools.Measures from -50 to 650°C. Selectable from Farenheit to Centigrade.Auto power off with automatic data hold and laser target pointer. Distance to spot 12:1. 1 x 9v battery included.Automotive applications include: checking: bearings, exhausts, catalytic converters, air conditioning.Other applications include: plumbing – balancing radiators, leaks, electricity – check for over-heating on electrical panels, checking electric motors.Refridgeration – checking temperatures in freezers etc. Also good for checking aquarium temperatures.