YGL gas alarm according EN50194 stndard

YGL gas alarm adopts high-quality with advanced technology and superior craft. It provides visual and audible signals when the gas concentration, such as LPG, natural gas, coal gas etc., reaches the preset level. It reminds you to take prompt favorable action. You may start up other link equipment, like opening windows or shutting off gas supply,to avoid fire,explosion, suffocation,and other malignant accidents.
Applications:
The YGL gas alarm is designed to detect the concentration of combustible gas in your home.
Features:
According EN50194 
High quality catalytic sensor Optional relay or valve output       https://youtu.be/7dnlxTsy2fY