Feature: 1. PREVENT CONTACT INTERFERENCE: Built in WiFi antenna, under the premise of enhancing the stable sending and receiving of WiFi signals, keep the appearance clean and prevent contact interference 2. RELIABLE AND SAFE: Powerful and professional cloud server provides you with reliable and safe background services 3. EFFECTIVELY IMPROVED SERVICE LIFE: Impulse withstand voltage is 6000V, to ensure that the service life of the equipment is effectively improved even under overvoltage conditions 4. SAFE AND CONVENIENT: Maintenance safety lock design, specially designed circuit maintenance safety lock, safe and convenient 5. SIMULTANEOUS PAIRING OF MULTIPLE PRODUCTS: Supports simultaneous pairing of multiple products, all specifications support simultaneous pairing, convenient and fast Specification: Item Type: Smart Circuit Breaker Material: PA66-DSM flame retardant shell Rated Voltage: AC 220V (± 20 V) Maximum Withstand Voltage of Shell: 400V Nominal Short Circuit Breaking Capacity: Nic: 6kA, Ics: 6kA Rated Impulse Withstand Voltage: 6000V Number of Poles: 2P Working Temperature: -25℃~+65℃ Protection Level: IP20 Mechanical Life: ≥10000 Times Electrical Life: ≥6000 Times Instantaneous Trip Form: Type C Control Mode: Working mode, pairing mode Start Method: WiFi mobile phone APP for Tuya 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: Please install by professional electrician, otherwise there may be dangerous contacts.