ALERTCAM Power adapter for flashing video doorbell (battery replacement), bell transformer with 5 m weatherproof cable, continuous charging of your video bell

ALERTCAM Power Adapter for Blink Video Doorbell (Replace Battery), Doorbell Transformer with 16.4ft/5m Weatherproof Cable Continuously Charging Your Video Doorbell

Blink Add-On Sync Module 2

Blink Outdoor 4 (newest model), Wire-free HD smart security camera, two-year battery life, enhanced motion detection, Works with Alexa – Add-on camera (Sync Module required)