New Testo 549i High-pressure Gauge Air-conditioning Manifold Wireless App Function Testo Wireless Mini Refrigeration System Kit - Pressure Gauges - AliExpress
Testo REFRIGERATION SMART PRESSURE PROBE 0560254903 | Parts Town
testo Smart Probe Kit I HVAC/R Gauge Set for air Conditioning, Refrigeration and Heating System I Includes testo 115i and 549i – with Bluetooth: Amazon.com: Industrial & Scientific
Testo 549i Smart and Wireless Refrigeration Pressure Probe