1. Wifi Smart Metering,Circuit Breaker,Open A Of,Intelligence. 2. Schedule/Timer /Loop,Timer Regular Life,You Can Set The Switching Time For Electrical,Appliances Without Manual Operation. 3. Preset Power Current And Voltage Threshold Values By App,Once The Real-Time Power Currentnoltage,Reaches The Threshold Values,The Connected Electrical,Applances Be Automatically Turned Off. 4. Easy Installation And Easy Operation,Simple Design, Your Life. Protocol: WiFi(Default) Rated Operating Voltage Range:90V-240V ControlType: Remote control, Manual Poles Description: 1P/1P+N(N Pole Pass-through) Customization:Lora,sigMesh, 485,ZigBee,Rj45 Model Selection:B:TO-Q-SY2-JWE with metering Colour:As Shown Material:nylon Package Contents: 1 * Wifi Smart Circuit Breaker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.