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本页比较了1款...的经过验证的规格与价格。热门选择包括Ring Battery Doorbell 2K。所有规格数据均来自制造商文档与专业零售商。
| Product ⇅ | Price ⇅ | Resolution (pixels) ⇅ | Field of View (degrees) ⇅ | Motion Detection Range (feet) ⇅ | Video Storage (days) ⇅ | Connectivity ⇅ | Two-Way Audio ⇅ |
|---|---|---|---|---|---|---|---|
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Ring Battery Doorbell 2K
US
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£51.77 ≈ | 2K QHD 1920x1920 | 水平 140° x 垂直 140°，对角线 173° | — | 云端 | 双频 Wi-Fi 2.4 GHz 和 5 GHz | ✓ |
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The Ring Battery Doorbell 2K provides 2K video, head-to-toe coverage, night vision, motion detection, and two-way talk. Its built-in rechargeable battery and wireless installation suit homeowners and renters who want detailed entryway monitoring without hardwiring. ★ 适合人群内置可充电电池、可选太阳能充电和无线安装，支持长期电池使用，减少充电中断，非常适合希望使用 2K Wi-Fi 门铃的用户。 |
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