Standard Configurations: No Alarm, 1st Generation Alarm, 2nd Generation Alarm. The 1st Generation Alarm is equipped with an infrared gas detection device and an alarm light. The sensing gas is an inert gas, which can detect the gas within 10 seconds and automatically trigger an alarm when the gas concentration reaches the set value. The cabinet includes gas cylinder fixing bolts and a movable platform. Double Cylinder Specifications: Height 1800*Depth 450*Width 600*. Specifications and configurations are the same as above. The 2nd Generation Alarm configuration includes a gas sensing device, a fan, and an electronic control panel. The sensing gas range is wider than the 1st generation. It is more sensitive in sensing speed, and it will automatically trigger an alarm when the gas concentration reaches the set value. The cabinet includes gas cylinder fixing bolts and a movable platform. The 3-bottle specifications are Height 1800*Depth 450*Width 1200*, with the same configuration and gas sensing as the double cylinder configuration.