Motion sensor lighting comes on automatically for a fixed period of time and most units can be adjusted to stay on anywhere from a minute to several hours.
运动传感器自动照明来一段固定的时期，且大单位可以进行调整，以留在任何地方从一分钟到几个小时。
Motion sensor lighting comes on automatically for a fixed period of time and most units can be adjusted to stay on anywhere from a minute to several hours.
运动传感器自动照明来一段固定的时期，且大单位可以进行调整，以留在任何地方从一分钟到几个小时。
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