1CH Wifi Smart Door Access Gate Remote Switch Module,1 Channel DC 12V 24V 32V 220V
Sonoff 4CH PRO R3
Sonoff 4CH Pro R3 Wi-Fi Smart Switch 4-Channel Din Rail Mounting Home Automation,Self-Locking/Interlock Control Home Appliances, RF/APP/Voice/LAN Control, Works with Alexa : Amazon.sg: Electronics