1. Wall Mounted 2. Easy to Install 3. Excellent Sensor 4. Stable and Durable 5. Excellent Smoke Resistant Performance CA-386A Independent Combustible Gas Detector Features: 1. Detection Gas: manufactured gas (hydrogen), natural gas, liquefied petroleum gas (LGP)2. Excellent sensor, stable and long-life, excellent oil smoke resistant performance3. Alarm Output: visual light and audio alarm, ...