Refrigerant Halogen Leak Detector for Home Portable R134a R410a R22a HFC CFC Air Gas HVAC Gas Leakage Detect Tester Checker Tool Black

Features:
Detect all kinds of halogen refrigerant gases.
Highly precise for accurate readings, sensitivity adjusted at any time.
Can be adjusted automatically to the best state of detecting.
Easy to use and operate, small size and portable.
Audible alarm and flashing light indicator upon gas leakage detected.
Dual-color visual display of battery voltage.
Flexible probe allows you to reach into awkward corners and tight spaces.
Re-set function enables you to set the meter to ignore ambient concentrations of halogen.