Warm Notice!!!! This product defaults to Tuya app . 1This product only support above input, down output.Please don't reverse, otherwise the handle can't push up,Some customers have a distribution box at home, the input line is below, and the output is above.his situation needs to turn our circuit breaker upside down.2Different country has different voltage ,Such as JapanBrazilAmerciaCanadaColumbiaMexico and so on,Our breaker 1P,2P is 230V 50HZ,3P,4P is 400V 50Hz,If your voltage is special,please inform us or write a remarks in your order,then we will customize according to your request,Otherwise, we will not bear any resposibility!!!3Check if the WIFI router is 5G or 2.4G. This product supports 2.4G (if it is dual band router, please upgrade to 2.4G.)4Remote control:by smartphone application anywhere ,our breaker need to in the WIFI condition.(the smartphone must connect to the internet in WiFi or 3g / 4g)Application:Tuya(Smart Life)Function:Global control,Scedule/Loop timer/timer,Voice control.Overload protection,Short-circuit protection,over-current protection,Over-voltage protectionBuilt-in chip (ESP8266/ESP8285) to improve the stable transmiion and reception of WIFI signals, to avoid congestion interference.Profeional CE-EMC,CE-LVD test to ensure safe and reliable communication proce.Work with: Alexa, google home, IFTTT.One phone can connect 200pcs our breaker.Specification:Rated voltage:1P,2P AC230V / 3P,4P AC400V (Noted:Customizable voltage,Contact service)Rated frequency: 50Hz (Noted:Customizable Frequency,Contact service)Instant trigger form: C (Noted:Customizable BD type,Contact service)Number of poles: 1P,2P,3P,4PRated current:10A,16A,20A,25A,32A,40A,50A,63A,80A,100A,125APollution level: level 2Level: IP20Rated impulse withstand voltage: 6000VImplementation standards: GB10963.1, IEC60898-1, GB / T21706Control mode: working mode, pairing modeDrop test: in line with GB / T4857.18EMC test: in line with GB / T18499-2008Nominal short-circuit breaking capacity: nic = 6kA Ics = 6kAOperating temperature: -25 c ~ + 65 cMechanical life: in line with GB10963.1 10000 timesElectrical life: in line with GB10963.1 6000 timesInstallation category: 1, llTemperature rise test: 60kSalt spray test: conforms to GB / T 2423.1724h