FEATURES : Product Designed and completely Manufactured in India. Extremely well built and finish. Industrial grade Components used and not Commericial grade. High Sensitivity - Detects even minor Combustible Gas Leaks. Helps minute Gas leaks upto 500ppm. (Sensitivity of 500 Parts per Million). Heat Detection - Detects High Heat > 55C. Helps detection and indicating Overheating in area of installation. CE Certified Product & UL Registered Product - Meets International Standards. Easy To Install (DIY) - Includes Mounting Accessories & 1 Year Warranty Discrete LED & hi dB Buzzer Sound Indication for Heat & Gas ; Low power Consumption (<1W)