{"schema":"hottub-news/story/v1","story":"st_yhxvu2u45lifq5juydlq","title":"小米门窗传感器 3 上架：升级隧道磁阻传感器、3 年长续航，众筹价 44 元","title_en":"Xiaomi door and window sensor 3 launched: upgraded tunnel magnetoresistive sensor, 3-year long battery life, crowdfunding price 44 yuan","outlets":1,"brief":null,"page":"https://hottub.news/stories/xiaomi-door-and-window-sensor-3-launched-upgraded-tunnel-yhxvu2u45l","count":1,"items":[{"id":"n_yhxvu2u45lifq5juydlq","seq":812319,"kind":"article","title":"小米门窗传感器 3 上架：升级隧道磁阻传感器、3 年长续航，众筹价 44 元","title_en":"Xiaomi door and window sensor 3 launched: upgraded tunnel magnetoresistive sensor, 3-year long battery life, crowdfunding price 44 yuan","url":"https://www.ithome.com/1/008/634.htm","summary":"IT之家 9 月 30 日消息，小米门窗传感器 3 已上架，将于 10 月 12 日 10 点开启众筹，众筹价为 44 元，建议零售价 49 元。新品主打“一次安装、3 年省心长续航”，围绕门窗、抽屉、柜门等开合状态感知，进一步强化家庭安防与智能联动体验。 IT之家注意到，与前代相比，小米门窗传感器 3 将传感方案升级为隧道磁阻传感器，官方称其较传统霍尔传感器响应更快、功耗更低；续航标称可达 3 年，采用 CR2032 纽扣电池与低功耗设计，电量不足时可通过米家 App 推送低电提醒。功能上，新品支持开合状态查看、感应记录、当日开合次数统计以及开启 / 关闭时长统计；作为对比，上代门窗传感器 2 采用霍尔传感器、提供 1 年续航并配备光照传感器，而三代更强调长续航与开合行为记录。 实际使用中，用户需搭配具备蓝牙 Mesh 网关功能的设备，方可在米家 App 远程查看门窗、抽屉、储物柜等开闭状态与感应记录；异常状态时，App…","published":"2026-09-30T03:06:52Z","seen":"2026-09-30T03:33:04Z","lang":"zh","country":"CN","source":{"id":"kite-ithome-com-f1cdd0","name":"ithome.com","domain":"ithome.com","outlet":{"wikidata":"Q28413779","name":"IThome","type":"website","country":"CN","designations":["website"]}},"via":"kite-ithome-com-f1cdd0","entities":[{"id":"Q1636958","name":"Xiaomi","type":"org"}],"story":"st_yhxvu2u45lifq5juydlq","category":"science-technology","category_p":0.75,"sentiment":"neutral","tone":0.28999999165534973,"political":0.009999999776482582}]}