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Data retention function
Low voltage display: symbol appears
Or just to have some fun with whatever crazy project you’re working on
RS232 interface (3
SONOFF DUALR3 Analog Key Data retention functionClick here to check the Specification: Click here to check the User Manual: SONOFF DUALR3 takes your home to the next level. DUALR3 is a flush mounted Wi Fi smart dual relay switch module that is installed behind any standard switch to transfer it into a smart switch for wireless remote control with mobile devices or voice command. Unifying your home appliances into an integrated wireless network to make them communicate with one another which is
