Photo 1 of NOYAFA Gas Detector, 5 in 1 Gas Monitor, H2S, O2, CO, LEL Natural Gas Detector with Real-time Temperature, Alarm, Automatic Calibration, MAX/MIN, Data Hold, Gas Leak Detector

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Photo 1 of NOYAFA Gas Detector, 5 in 1 Gas Monitor, H2S, O2, CO, LEL Natural Gas Detector with Real-time Temperature, Alarm, Automatic Calibration, MAX/MIN, Data Hold, Gas Leak DetectorPhoto 2 of NOYAFA Gas Detector, 5 in 1 Gas Monitor, H2S, O2, CO, LEL Natural Gas Detector with Real-time Temperature, Alarm, Automatic Calibration, MAX/MIN, Data Hold, Gas Leak Detector