Unverified82% confidenceDecision RuleTime unknown
人体感应夜灯选PIR红外感应而非雷达微波感应：PIR只在物体移动时触发省电，微波感应易被墙外走动/宠物误触发导致频繁亮灯
1
Sources
82%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified人体感应小夜灯优先选PIR红外感应而非微波雷达感应，PIR只对移动人体红外温度响应，不会被墙外走动或宠物误触发；雷达感应穿透性强容易在隔墙时误亮94% similarUnverified人体感应夜灯应选PIR红外热释电感应而非光敏感应，PIR只在人经过时亮起、能感应体温移动；纯光敏款只要天黑就常亮，费电且无法定位人的位置89% similarUnverified主流人体感应小夜灯采用PIR被动红外传感器，感应角度约120°，需人体移动才触发；静坐不动会误熄，选购时留意是否支持常亮模式切换85% similarUnverified带光敏传感器的夜灯只在环境暗时才响应感应触发，白天不亮灯，比纯人体感应更省电，选购时确认是否具备光感自动待机功能82% similarUnverified反光条纹在夜间可视距离约需车灯照射反射，若经常夜间遛狗于无路灯路段，应选主动发光的LED充电式或电池式发光项圈，被动反光效果远不如主动光源81% similar
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