1The shell of our gas detector is made of high-quality plastic material, which makes it eco-friendly, sturdy and durable to use 2When the gas leakage occurs, the gas concentration reaches the alarm concentration will sound and light alarm, play a timely reminder, to ensure personal safety 3With LED indicators, green led indicator could help you know whether the detector is on working, and when the gas leakage occurs, the red indicator will flash and remind you, accompanying an alarm in a loud sound 4Our gas detector is highly sensitive, it could detect many kinds of gas, such as liquefied petroleum gas, coal gas, methane, other combustible gases etc 5Easy to install with included installed panel, it is also very easy to use with the power button, plug and play. A great household necessity to protect your families' safety. Perfect for using in home kitchen, bathroom, bus carriage, grill house and so o