Feature:1. Remote Control: Supports WiFi and and Bluetooth connection. When there is interference and WiFi is disconnected, Bluetooth is connected for work.2. Stable Working: The impulse withstand voltage is 6000V, which promises stable operation and long service life even under over voltage conditions.3. Great Service: Powerful and professional clouds server will provide you with reliable and safe background services, very practical and efficient.4. Easier Pairing: Enables simultaneous pairing of multiple products in a variety of specification, and the pairing is very quick and convenient.5. Security Lock: Equipped with safe lock, the electric maintenance is safe and simple, and the circuit breaker can also prevent contact interference.Specification:Item Type: Circuit BreakerMaterial: PA66-DSM Flame Retardant ShellRated Voltage: AC 400VNominal Short Circuit Breaking Capacity: nic: 6kA Ics: 6kA. Rated Impulse Withstand Voltage: 6000VNumber of Poles: 4PWorking Temperature: -25℃~+65℃Protection Level: IP20Mechanical Life: ≥10000 TimesElectrical Life: ≥6000 TimesInstantaneous Trip Form: Type CControl Mode: Working mode, pairing mode. Start Method: WiFi mobile phone APP remote switch, Bluetooth. Trip Method: Over current trip. Application Scope: For isolated island power supply, tower equipment, outdoor lighting, house power supply, field engineering, mountain facility, street light control. .Package List:1 x Circuit Breaker1 x User ManualNote:Please install it by a professional electrician, otherwise there may be risks of electric shock.