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Bouge 24V 500MA Ring Doorbell Transformer, C Wire Plug in Adapter for Smart Thermostat, Compatible with Nest/Ecobee/Sensi/Honeywell/Skybell Thermostat Video Doorbell Power Supply White 8M : Amazon.co.uk: DIY & Tools
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24 Volt Doorbell Transformer, C Wire Adapter Thermostats, Compatible with Ecobee, Nest and Honeywell Smart WiFi Thermostat, Ring Nest Hello,Eufy, Wyze, Arlo Doorbell (with 196in Cable White) : Amazon.co.uk: DIY & Tools
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