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What kind of sensor does the solar street lamp use?

PIR运动传感器PIR motion sensor

All In One Solar 路灯使用PIR 运动传感器智能调节 LED 灯亮度。在检测到灯周围 12m 半径内的任何移动时，LED 会以全亮度发光。如果超过 1 分钟没有检测到移动，亮度会降低到三分之一。All In One Solar street lamp uses PIR motion sensor to intelligently adjust LED lamp brightness. When any movement within a 12m radius around the lamp is detected, the LED will glow at full brightness. If no movement is detected for more than 1 minute, the brightness will be reduced to one third.

这种智能亮度的控制跟免维护充电电池技术相结合就可以提供出更长的备份时间跟更好的电池寿命了 。由于它狭小的尺寸，所有人都可以很容易的将这个灯安装在杆顶上。这个灯有从黄昏到黎明的自动操作，安装上灯，就几乎不用维护。

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