3 in 1 Pole-Camera + Microphone + Speaker – Communicate with the victim to understand victim conditions and underground environment.
CO2 Sensor – helps rescuers to search for people who need to be rescued. The higher CO2 detects inside of sealed space, which means the victim is alive and waiting for rescue.
for people who need to be rescued. The higher CO2 detects inside of sealed space, which means the victim is alive and waiting for rescue.
