The invention relates to bulb technical field, and more particularly relates to microwave sensor LED bulb. A LED bulb includes a male plug, a housing, a LED light and a light cover. The male plug is disposed at top side of the housing while the LED light and the light cover are disposed at bottom side of the housing. The light cover covers the LED light. The LED bulb also includes a microwave sensor and the light cover covers the microwave sensor. The invention is not only convenient for use and also suitable for environment that needs automatic control.
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