Shelly GAS is a compact and highly sensitive liquefied petroleum gas (LPG) detector that provides additional protection for your home and family. LED flash & sound, alarm sensitivity: 6% LEL, sound pressure level: 70 dB, Wi-Fi range: up to 50 m outdoors and up to 30 m indoors (depending on building materials). In the event of a gas leak, Shelly notifies you with an audible alarm and a push notification to your smartphone. When the gas concentration drops to a safe level, the device automatically returns to detection mode. The Shelly Gas is powered directly from the mains and can be used as a stand-alone device or as an accessory for a home automation control system.