Features 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. Powerful and professional cloud server provides you with reliable and safe background services. Electromagnetic interference performance, after undergoing electrical fast transient pulse group immunity test, surge test, electrostatic discharge and other tests, the product remains intact. Impulse withstand voltage of 6000V, to make sure that the service life of the equipment is effectively improved even under overvoltage conditions. Supports simultaneous pairing of multiple products (all specifications support simultaneous pairing‑convenient and fast) Inspection safety lock designed, specially designed circuit inspection safety lock, safe and convenient. Feature: 1. One mobile phone and one APP can control all electrical appliances, such as island power supply, house power supply, street light control, etc. Specification: Item Type: Wifi Circuit Breaker Material: PA66-DSM flame retardant shell Optional Number of Poles: 1P/2P/3P/4P Optional Current: 16A/20A/25A/32A/40A/63A/80A/100A/125A Control Level Voltage: AC220V Rated Voltage: AC230V(1P/2P) AC400V(3P/4P) Control Mode: Working mode, pairing mode Start Method: WiFi mobile phone APP remote switch Trip Method: Overcurrent trip Package List: 1 x Circuit Breaker 1 x User Manual  Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List 1 x Circuit Breaker 1 x User Manual