Product Catalog Security Camera Ring Video Doorbell 4 (1080p, Pre-Roll Video) vs Dahua 8-Channel 4K PoE NVR

Ring Video Doorbell 4 (1080p, Pre-Roll Video) vs Dahua 8-Channel 4K PoE NVR

Ring

Ring Video Doorbell 4 (1080p, Pre-Roll Video)

رينج فيديو دوربيل 4 (1080p، فيديو ما قبل الحركة)

Release Year: 2021

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Dahua

Dahua 8-Channel 4K PoE NVR

داهوا جهاز تسجيل شبكي 8 قنوات PoE بدقة 4K

Release Year: 2023

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Specifications

Image

Ring Video Doorbell 4 (1080p, Pre-Roll Video)

Dahua 8-Channel 4K PoE NVR

Resolution Different

1080p Full HD

—

Image Sensor Different

1/2.8" CMOS

—

Lens Different

2.0mm, F2.0

—

Field of View Different

160° horizontal, head-to-toe view

—

Features

Ring Video Doorbell 4 (1080p, Pre-Roll Video)

Dahua 8-Channel 4K PoE NVR

Video Compression Different

H.264

Smart H.265+ / H.265 / H.264+ / H.264

IR Range Different

Infrared night vision

—

Smart Features Different

Pre-Roll Video (4s), customizable motion zones, person detection, Alexa integration, smart alerts

SMD Plus AI (human/vehicle), face detection, perimeter protection

Audio Different

Two-way audio with noise cancellation

—

Storage Different

Ring Protect cloud subscription (30/60 day history)

—

Connectivity

Ring Video Doorbell 4 (1080p, Pre-Roll Video)

Dahua 8-Channel 4K PoE NVR

Power Different

Rechargeable battery pack / hardwired 8-24V AC

48V DC

Operating Temperature Different

-20°C to 48°C

-10°C to 55°C

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Ring Video Doorbell 4 (1080p, Pre-Roll Video) vs Dahua 8-Channel 4K PoE NVR