ForLinkon smart home devices are connected together through the IoT (Internet of Things) technology to provide anti-theft alarm, lighting control, home appliance control, HVAC control, telephone remote control, environmental monitoring, indoor and outdoor remote control, infrared forwarding, programmable timing control, etc., so as to achieve intelligent, environment-friendly, convenient and private life experience. The powerful scene linkage function can not only be used as a single unit, but also build a complete set of smart home and security control system for the whole house.