9 Relays, electric; Connectors [electricity]; Sensor; Light dimmers [regulators], electric; Light regulators [dimmers], electric; Light on/off controller; Power supply; Remote controller; Automatic controller; Photoelectric sensor; Photoelectric detector; Touch switch; Microwave sensor; Button switch; Light controller; Control panel; Infra-red sensor; Ultrasonic sensor; Toggle switch; Micro switch; Photoelectric switch; Press key; Electronic dimmer; Power controller; Home automation hubs; Smart home hubs