[Adjustable
Alarm & Red Light]: Turning on the AC leak detector, it will emit a regular buzzing sound. Upon detecting a leak, the HVAC leak detector will make an urgent sound and the screen will display the leak level. Long press "MUTE" button turn on/off the buzzer. The flashing red light on the probe helps you find leaks even in narrow and dark places
[Lightweight & User-Friendly Design]: Compact, ergonomic build with three-buttons operation. Ideal for HVAC technicians and auto repair pros needing a portable Freon leak detector for on-site diagnostics. Longer 20 inch sensor probe allows access to difficult-to-reach areas
[Power-Saving and Long Life]: The HVAC refrigerant detector is equiped with 10000+ times bending tested detection probe and sensor life 1000 hours typical. Heated diode sensor brings upper precision compared to conventional sensors, making it effective for detecting different refrigerants