Functional features1. Four on control: Remote control anytime anywhere (mobile app, Tuya Smart, Smart Life).Voice control (AI speaker, Alexa, Google, , ...).Timing control (programmable Schedule).Manual control 2. Monitor real-time electricity consumption and statistics on phone (A, V, mA, kW, kWh, ); 3. Prepaid metering mode available as option by switch; 4. Adjustable protections against overload, residual current(leakage), high temperature, overcurrent, over/under voltage, low balance(prepaid); 5. Overload protection adjustable, 13kW as default; Overcurrent protection adjustable, 63A as default; Over voltage operation value range: AC240~300V adjustable, 275V as default; Over voltage recovery value range: AC220~250V adjustable; Main specifications: Poles: MCB(1P+N, 2P, 3P+N, 4P); RCBO(2P, 4P); voltage: AC220V (over/under voltage protection adjustable); Rated current: up to 63A (overcurrent adjustable); Frequency: 50/60Hz; Breaking capacity: 6000A Mounting: 35mm din-rail; Communication: WiFi 2.4G + RS485 Modbus RTU; Under voltage operation value range: AC140~190V adjustable, 160V as default; Under voltage recovery value range: AC170~220V adjustable; Under voltage recovery time delay: 0.5S~6S; Residual current(leakage) protection adjustable, 30mA as default; High temperature protection adjustable, 80 as default; In prepaid mode, insufficient balance protection adjustable, 10kWh as default; Auto-reclosing after protected conditions recovery(under auto mode); Timing schedule programmable on App; RS485 baud rate 9600, address range 1~247, wiring adapter available; Mechanical lock available for maintenace safety; Device sharing among family or ; Note: RS485 Modbus RTU configuration Material: plasticcolour: white Package Contents: 1 x Tuya Smart MCB Breaker (Due to different product batches, the appearance is slightly different, which does not affect use.) 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.