How does the doorbell power and install, and does it need existing wiring?

It uses a removable Quick Release Battery Pack that recharges via Micro-USB, and it can be installed fully wire-free in about 10 minutes. Existing 8-24VAC doorbell wiring is optional for trickle charging and mechanical chime support.

What kind of video quality and zoom does the Ring Battery Doorbell 2K Plus (2nd Gen) provide?

It captures Retinal 2K video at 1920x1920 resolution and supports up to 6x Enhanced Zoom, with HDR-enhanced color during the day for clearer detail.

Questions & Answers: Ring Battery Doorbell 2K Plus (2nd Gen), 6x Enhanced Zoom, 140 Degree Head-to-Toe FOV, Advanced Motion Detection, WiFi 6, Nickel Silver

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Ring Battery Doorbell 2K Plus (2nd Gen) - 6x Enhanced Zoom, 140 Degree Head-to-Toe FOV, Advanced Motion Detection, WiFi 6, Nickel Silver

RETINAL 2K VIDEO WITH 6X ENHANCED ZOOM: See visitors in sharp 2K (1920x1920) resolution with up to 6x Enhanced Zoom and HDR-enhanced daytime color, so you can check in on deliveries and catch details clearly.
140-DEGREE HEAD-TO-TOE FIELD OF VIEW: A True View lens covers 140 degrees horizontal and 140 degrees vertical, showing visitors and packages from head to toe instead of a cropped view.
ADVANCED MOTION DETECTION WITH CUSTOMIZABLE ZONES: Get real-time alerts tailored to your property, plus true-color low-light sight and adaptive night vision so your doorstep never goes dark.
LIVE VIEW & TWO-WAY TALK: See, hear, and speak with visitors in real time from the Ring app, plus use Quick Replies to leave a preset message when you're not available to answer.
WIRE-FREE QUICK RELEASE BATTERY, WI-FI 6: A removable Quick Release Battery Pack recharges via Micro-USB without tools, with fully wire-free installation in about 10 minutes, or optional connection to existing 8-24VAC doorbell wiring for trickle charging and mechanical chime support; connects over dual-band WiFi 6.

$179^.99 –