FirstSense wireless gas detection system works on integrated rechargeable or non-rechargeable lithium-ion battery. The sensor used for Natural Gas Application is Methane Infra-red type and additional sensors can also be used for similar or other applications. The Gas Detector is capable to communicate real time information to its corresponding Gateway which can further transmit the data to Cloud, SMS and or E-mail notifications. Firstsense Safety's wireless gas detection system works on integrated rechargeable or non-rechargeable lithium ion battery.