Feature: 1. Smart Circuit Breaker: Metering circuit breaker for Zigbee, supports remote control through mobile APP, allowing you to control the switches at home anytime and anywhere, reducing trouble and improving convenience 2. Timer Switch: Supports most Al smart speakers on the market, allowing you to control electrical appliances even while lying down; Equipped with a timer switch function, plan your life and bring convenience and relaxation 3. Real Time Display: Provide real time parameter display on the mobile phone, including voltage, current, and power threshold settings, support for electricity metering and reading, with overload guard and short circuit guard 4. Security Lock: This intelligent circuit breaker is equipped with a security lock. After manually pulling out the security lock, it cannot close with the computer. After releasing the security lock, it returns to normal closing 5. Prepaid Function: Equipped with prepaid current limiting function, support 24 hour automatic monitoring of changes in electricity consumption, automatic tripping and power off in case of overdue payments, and timed power off Specification: Item Type: Smart Circuit Breaker Material: PC Flame Retardant, Copper Specification: 4P Frame Level Current: 125A Breaking Capacity Icu: 6000A Rated Current In: 63A Lifespan: Mechanical Life 10000 Times, Electrical Life 6000 Times Overvoltage Action Value Setting Range: 250-300VAC Overvoltage Recovery Voltage: 220-250VAC Undervoltage Action Value Setting Range: 150-200VAC Undervoltage Recovery Voltage: 170-220VAC Undervoltage Operating Delay: 0.5s-6s Cable Crossed Section Area: 35mm² Installation: 35x7.5mm Standard Guide Rail Mounting Functions: Short Circuit Guard, Overload Guard, Voltage Detection, Temperature Detection, Current Detection, Local Mechanical Lock, with Metering Function, Parameter Setting, Prepaid Function, Fault Query. Package List: 1 x Smart Circuit Breaker 2 x Antennas 1 x Antenna Base 1 x Terminal 1 x User Manual