Notice This product only support above input, down output. Please don't reverse, otherwise the handle can't push up Some customers have a distribution box at home, the input line is below, and the output is above. This situation needs to turn our circuit breaker upside down. WIFI Smart Circuit Breaker “pair” Upgrade guide WIFI Smart circuit breaker firmware version has been upgraded to version 3.0.0, This version has a new change for “pair”, Can be paired directly after connect power, no need to adjust the small red button 1、after upgraded product，Old “work/pair” has been changed into “quick/ compatible ” . 2、firmware version 3.0.0 product ,Can be paired directly after connect power, no need to adjust the small red button 3、If quick pairing mode,not pair successfully, You can use “compatible pairing mode”,But notice, After pairing successfully , be sure to adjust the small red button on product back to the “quick ” position. 2P WiFi Smart Circuit Breaker Automatic recloser overload and short circuit protection for Amazon Alexa and Google home Feature Remote control at anytime from anywhere Schedule ON/OFF Voice control for Amazon Alexa and Google home Overload and short circuit protection Over voltage and under voltage protection