Refrigerant Leak Detector, Aprvtio ALD-100 Freon Leak Detector Halogen Gas Tester HVAC AC Sniffer R22 R410A R134A, 7 Adjustable Sensitivity, max Sensitivity of 0.11oz/yr

14 inches flexible probe shaft with 3 alternative sensor tips.

7 adjustable sensitivities with the max sensitivity of 0.11oz/yr.

The Electronic Refrigerant Leak Detector features 18 alarm levels from low to high to help you home in on a leak.

Once the power button is pressed, the detector will be ready to use.Response in 3 seconds; Warm up in 6 seconds.

Reset in 2 seconds.

Powered by: 2 C Alkaline batteries(included) It can detect all kinds of halogen refrigerants including CFCs, HFCs, HCFCs, HCs, HFOs and Blends.