Unverified80% confidenceTradeoffTime unknown
云端传输方便远程更新照片但多数需长期联网并绑定厂商账号，存在厂商停服后云服务失效风险；纯本地存储更持久但需人工插卡更新
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified云端存储需长期订阅费且断网即失效，本地SD卡一次性投入但摄像头被盗即数据丢失，重要场所建议云端+本地双备份83% similarUnverified完全依赖云存储不建议：断网即失效、长期是持续付费、隐私上传云端有泄露风险；核心录像应选支持本地SD卡（≥128G）的机型，云端作为异地备份补充83% similarUnverified云存储虽方便但需长期付费且依赖网络，断网即无录像；关键安防场景不应只依赖云存储，务必配本地TF卡或NVR双备份82% similarUnverified云端存储方便远程回看但需持续付费且依赖厂商服务器不倒闭，本地存储免月费但录像仅存于家中、SD卡损坏即丢失，长期看护建议本地+云双备份82% similarUnverified云存储虽方便远程调取但需持续付费且涉及影像上云隐私风险，本地存储（内置eMMC或TF卡）无月费且数据不出户，注重隐私优先选本地存储或本地+云双备份机型81% similar
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