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AC Power Adapter Transformer Charger 18V 500mAh for Wifi Wireless Video Doorbell Camera 110V 240V US UK EU AU Plug|Doorbell| - AliExpress
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OhmKat Video Doorbell Power Supply - Compatible with Alarm.com ADC-VDB770 - No Existing Wiring Required - Transformer, Adapter, Power Kit & Supply All In One (Black) - Walmart.com
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