Bosch TIF IR-1A Infra-red Leak Detector (A2L/R32 Safe) • Advanced infrared sensor designed to last a minimum of 10 years. • Three sensitivity levels down to 0.15 oz./year. • Automatically recalibrates in highly contaminated areas to help pinpoint the exact location of the leak • Won’t trigger on oil or moisture. • Senses CFC, HFC and HCFC blend refrigerants. • 8-hour lithium Ion battery lasts all day long and beyond. • Visual alert and peak button make it easy to find leaks in noisy environments. • Audible alert with mute button. • Magnetic hanger to easily hang the unit during leak repair. • Durable carrying case let’s you easily store leak detector and accessories. • Meets NEW SAE J2791 leak detection standard