Ferguson SmartHome Repeater and Gas Leak Sensor FS1RG is a wireless ZigBee device that detects combustible gas leaks and can be used as a repeater to extend the wireless transmission distance of other ZigBee devices. It features a semi-conductor gas sensor for high stability and low sensitivity drift, and alarms when gas density in the air exceeds a safe level. Suitable for kitchens or other indoor areas with potential gas leakage, it has a networking range of up to 100 meters in open areas.