Feature: 1. [WIFI ANTENNA] Built in WiFi antenna, under the premise of enhancing the sending and receiving of WiFi signals, keep the appearance clean and prevent contact interference. 2. [CLOUD SERVER] Powerful and professional cloud server provides you with reliable and safe background services. 3. [WITHSTAND VOLTAGE] The impulse withstand voltage is 6000V, ensuring that the service life of the equipment can be effectively improved even under overvoltage conditions. 4. [SECURITY LOCK] Specially designed circuit maintenance safety lock, which is safe and convenient in operation. 5. [EASY CONTROL] Can use the mobile phone APP WiFi and Bluetooth control, and support multiple products to pair at the same time. Specification: Item Type: Smart Circuit Breaker Material: PA66 flame retardant shell Rated Voltage: AC 400V Nominal Short Circuit Breaking Capacity: Nic: 6kA, Ics: 6kA Rated Impulse Withstand Voltage: 6000V Number of Poles: 3P Working Temperature: -25℃-+65℃ Protection Level: IP20 Mechanical Life: ≥10000 times Electrical Life: ≥6000 times Instantaneous Trip Form: C Type Control Mode: Working mode, pairing mode Start Method: WiFi, for Tuya mobile phone APP remote switch, Bluetooth Trip Method: Over current trip Application Scope: Isolated island power supply, tower equipment, outdoor lighting, house power supply, field engineering, mountain facilities, street light control. Package List: 1 x Smart Circuit Breaker1 x User Manual Note: Ask a professional electrician to install it, otherwise there may be danger of contacts.