Unverified88% confidenceDecision RuleTime unknown
无C-line（公共线/24V常电线）的老式布线只有2-4根线时，需选自带电池供电或配power extender kit的型号，否则WiFi型温控器会因供电不足反复重启
1
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88%
Confidence
Long-term
Relevance
-
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Unverified无门铃线的老房子选电池款(可拆卸充电电池)，避免布线；已有传统门铃变压器(8-24V AC)的选有线款，永不断电且能常开录制。租房强烈建议电池免打孔款81% similarUnverified接线式温控器安装涉及220V强电或锅炉线路，非专业人士不建议自行安装，需断电操作并确认零火线；无线（电池供电+网关）机型可自行安装但需定期换电池80% similarUnverified租房或门口无预埋电源线的不要买有线供电门铃，需要接18-24V变压器改电路，且退租需复原；应选可充电电池款或粘贴/门缝挂式安装80% similarUnverified自带线充电宝集成度高但线材损坏后整机报废，且自带线通常功率受限(多为20-30W)；重度用户建议选多接口独立线材款79% similarUnverified老式温控器接线为2线（无中性线/无N线）时，很多智能温控器无法供电工作，购买前需确认接线盒是否有中性线，或选带电池供电/C-wire适配器的型号78% similar
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