Comus International, founded in 1978, is a manufacturer of mercury tilt switches, residential and commercial thermostats, dedicated to the development of new products and patented mercury free switches. Today, Comus is the world's leading manufacturer of various sensors and switches, the design and production of the tilt switch, vibration sensor, magnetic reed switch, dry reed relays, solid state relays, float switches and other products, depending on product quality and service in the market established a good reputation.