The BW 4-in-1 gas detector can be equipped with four gas sensors to simultaneously detect four types of flammable and toxic gases: CO, H2S, O2, and combustible gas (selectable on-site). Single-button operation, simple to use, with 16 hours of data recording and 10 event records. Integrated anti-vibration sheath, suitable for harsh environments. LCD continuously displays gas concentration in real-time. Standard equipped with rechargeable lithium battery (charging takes no more than 3 hours, meeting 14 hours of operation). 95dB audible alarm and wide-angle bright visual alarm with vibration alarm, suitable for high-noise environments.

Detailed Description 
Detection: 2, 3, or 4 gases