Featured: With metering 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). Basic functions: APP remote control, voice control, status feedback, timing, countdown, power outage memory, home sharing, group function. 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. Specifications: Working voltage: 100-240V AC Rated current: 1-63A adjustable Rated working voltage range: 90V-240V High temperature protection range: 40°C-150°C Undervoltage protection range: 76V-240V Overvoltage protection range: 220V-265V Number of protection poles: 1P+N (N pole continuously open) Control method: manual/remote APP Communication protocol: WIFI Wireless standard: Wi 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: for Amazon Alexa, for Google Home, for Yandex Alice, for Tmall Genie, for Xiaodu, etc. The actual object may have color difference due to different light or display Color: White Material: Plastic Package Contents: 1 x 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.