NEW High Precision 4-in-1 Gas Detector-Combustible & Toxic Hazardous Gas Meter O2 CO H2S Analyzer Portable Handheld Rechargeable

PCBincluded：Yes Battery Included：Yes High-concerned chemical：None Application Scenarios：Civilian Grade  Semi-finishedproduct：No Is Smart Device：no Measurement Range：0-100 Model Number：ABH843 With LCD Screen Or Not：Yes Gas Type：CO, O2, H2S, and EX DIY Supplies：Electrical Origin：Mainland China Certification：CE,FCC,RoHS

PCBincluded: Yes Battery Included: Yes High-concerned chemical: None Application Scenarios: Civilian Grade  Semi-finishedproduct: No Is Smart Device: no Measurement Range: 0-100 Model Number: ABH843 With LCD Screen Or Not: Yes Gas Type: CO, O2, H2S, and EX DIY Supplies: Electrical Origin: Mainland China Certification: CE,FCC,RoHS