Mitsubishi Electric KSGD-01S/A Semi Conductor Standalone Refrigerant Leak Detector.

Detects R410a HFC refrigerant. 

Healthy, fault and leak LED indication 

Audible leak alarm 

Factory calibrated 

Easily installed 

12-24 V AC/DC supply - (supplied separately  - 12VDC order ref KSTR12, 10100230)