For residences, Numens offers a complete range of residential fire alarm systems, including smoke alarms, heat alarms, smoke/heat alarms, gas alarms, water leakage alarms, and wireless relays that are compatible with these devices. Numens' residential fire alarm systems have built-in sounders, and most products can be interconnected wirelessly. Numens also offers smart lamps and smart sockets that can be controlled through a mobile phone. Here are the specifics devices: