The Greenlee TG-2000 Dual Laser Infrared Thermometer is a reliable tool for measuring temperature without physical contact, making it ideal for various industrial applications. With its alkaline battery technology, accurate laser infrared thermometry, and brand reputation of Greenlee, this thermometer is a valuable asset for professionals looking for precise and efficient temperature measurements. The included battery further ensures that the device is ready for immediate use, making it a convenient and practical choice for those in need of non-contact temperature measurement capabilities. Replacement AAA Batteries corroded but tool is unaffected.