🔧 Elevate Your HVAC Game with Smart Precision! Streamline your HVAC tasks with this all-in-one gauge set. Easily document results via the smart app for seamless reporting. Monitor temperatures effortlessly with the 115i pipe clamp thermometer. Includes hoses suitable for all common refrigerants. Achieve deep vacuum measurements with the testo 552i. Precise Measurements Smart App Integration All-in-One Solution The testo 557s AC Manifold Gauge Set is a comprehensive AC recharge kit designed for HVAC professionals. It includes two testo 115i pipe clamp thermometers, a testo 552i micron gauge, and four high-quality hoses, all engineered to enhance efficiency and accuracy in refrigerant management. With Bluetooth connectivity and a smart app for documentation, this kit is the ultimate tool for modern HVAC service.