Wired doorbell transformer - The doorbell transformer s cable is 10.8ft long, and as long as you have an outlet within that range, you can get a doorbell and smart thermostat thats always powered on.
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Easy to install - The cable of the doorbell transformer doesnt need to be distinguished from the left and right, there is no risk of short circuit at all. Even a beginner can easily fix the two terminals on the doorbell.
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Safe & Heavy duty - The doorbell transformer uses a durable flame-retardant casing, the internal high-temperature resistant silicon steel sheet and sensitive fuse allow the doorbell to receive a stable and safe current.
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