Smart Circuit Breaker Remote Control With Metering Smart Breaker Wifi Circuit Breaker Remote App Circuit Breaker Description: Wiring: Power must enter from the top and must be Live line + Neutral Line (L+N). Live line + Live line (L+L) cannot be used. Only the black button version has metering function, while the blue button version does not have metering function Featured functions with metering version (black button version): power metering, 1-63A adjustable, alarm&protection settings: temperature (40-150 ), overcurrent (1-63A), overvoltage (220-265V), undervoltage (76-240V), usage logs (switch logs, alarm logs, setting logs) Features without metering version (blue button version): Alarm&Protection: Temperature (factory default of 80 , cannot be set), usage log (switch log, setting log) Basic functions: APP remote control, voice control, status feedback, timing, countdown, power outage memory, home sharing, group function Specifications: Working voltage: 100-240V Rated current: 10A/16A/25A/32A/40A/50A/63A/1-63A adjustable (optional) Number of protection poles: 1P+N (N pole continuously open) Control method: manual/remote APP Communication protocol: WIFI Wireless standard: Fi IEEE802.11 b/g/n 2.4GHz Security mechanism: WPA PSK/WPA2 PSK APP platform: "smart life" APP, "tuya smart" APP Support voice speakers: Amazon Alexa, Home, Yandex Alice, Tmall Genie, Xiaodu, etc Package Included: Intelligent circuit breaker * 1, instruction manual * 1 Notes: Wiring: Power must enter from the top and must be Live line + Neutral Line (L+N). Live line + Live line (L+L) cannot be used. Only the black button version has metering function, while the blue button version does not have metering function