TUYA smartlife 63A TOMZN 1P+N WIFI Smart Switch Energy Meter Kwh Metering Monito
Energy monitoring(TOB9S-63M, TOB9S-63VAP). 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. Active power. Over power protection.