1. Purpose: WiFi switch is a circuit breaker device that connects and interacts with intelligent systems via WiFi. It is widely used in power metering systems, schools, markets, household appliances, industries, laboratories and other scenarios. 2. Remote control: The timer also has a timing function, for example, the user can set a single timer, cycle timer, countdown, etc. through the mobile phone APP to meet the needs of different scenarios. 3. Monitoring: The connected circuit breaker can also measure the family's power consumption data, such as total power consumption, current, voltage, power, etc., and remotely monitor the real-time status of the energy monitor. 4. Material: The housing of the connected electricity meter is made of reliable PC material, which is highly flame retardant, impact resistant and durable, making it more durable. 5. Installation: The wifi electricity meter on DIN rail can be mounted on a standard DIN35 mm rail, which simplifies the complicated installation steps and saves time.