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Amazon.com: PWS-1620 16V AC 20VA Class II Power Supply AC Adapter UL 16V Transformer Plug with terminals : Electronics
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Amazon.com: Broan-NuTone C907 Doorbell Transformer Compatible with Smart Video Doorbells, Easy Installation Lock or Wall Mount Door Chime, 16V, 30VA : Tools & Home Improvement
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Xwartre 16V 30VA Doorbell Transformer Compatible with Ring Video Doorbell, Nest Hello Doorbell, eufy Security Doorbell, Arlo Doorbell. Transformer Power Supply - - Amazon.com
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Craftmade T1615 Chime Transformer 15 Watts 16 Volt, Brass (2.25" x 1.9") - Doorbell Transformers - Amazon.com
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