Shutter x2+ BLU RC Button 4 Pack. Shelly Shutter is a compact shutter controller with power measurement that enables remote control of shutters, blinds and roller blinds via mobile phone, tablet, PC or home automation system. It can be operated independently in a local WLAN network or via cloud home automation services. The device supports blinds. Shelly Shutter can be accessed, controlled and monitored from any location where the user has an internet connection, as long as the device is connected to a Wi-Fi router and the internet. It can be retrofitted in standard wall boxes behind switches or covers. Shelly Shutter has an embedded web interface that can be used to monitor and control the device and customise its settings.