HQRP 16VAC 10VA Transformer Compatible with SimpliSafe, Nest Hello, ADT, Zenith, RCA, Ring Doorbell Door Chime Power Supply Adapter Door-Bell 120v-to-16v Replacement, UL Listed - - Amazon.com
HQRP 16V 30VA Transformer Compatible with Zmodo Nest Eufy Nutone Ring Doorbell Hardwired Door Chime Power Supply Adapter Door-Bell 120v-to-16v Replacement, UL - - Amazon.com
Amazon.com: 16-Volt AC Transformer at 40VA, Step Down Transformer 120-Volts AC Input 16-Volts AC Output : 48-1640 : Industrial & Scientific
DEWENWILS Doorbell Transformer, 16V 30VA Low Voltage Transformers Compatible with Ring Video Doorbell Pro, Nest Hello Doorbell, UniFi G4 Doorbell, Power Multiple Door Chimes, Hardwired - - Amazon.com
Broan-NuTone C915 Doorbell Transformer, Easy Installation Lock or Wall Mount Door Chime, 16V, 10VA - Doorbell Transformers - Amazon.com
Amazon.com: PWS-1640 16V AC 40VA Class II Power Supply AC Adapter UL 16V Transformer Plug with terminals : Electronics
Doorbell Transformer, 16V, 30VA Comptible with Ring Pro,Nest Hello - - Amazon.com