*Compact appearance design, capable of detecting four types of gases.
*The CO2 version of the infrared detector is used in safe areas (areas without explosion hazards)
*A sturdy structure can withstand strong impacts and vibrations
*Reliable lithium battery, capable of continuous operation for over 16 hours on full charge
*The sealing level meets IP67 and can be submerged in water
*Quick and effective alarm, alarm methods: 95 decibel audio alarm, bright red/blue video alarm, and vibration alarm
*Top LCD display with backlight, displaying all gas data, diagnostic results, and remaining battery power

The types of gases not only include the four common gases (CO, H2S, CH4, O2), but also expand to include NH3, SO2, O3, CO resistant to H2 poisoning (used in steel plants), and infrared CO2 detectors (used in safe areas).