Sensky SK037 3-12M 360 Degree PIR Ceiling Occupancy Motion Sensor Light Switch High Sensitive Motion Sensor Switch (110V-240VAC)

Amazon.com Price: $15.99 (as of 02/06/2019 09:13 PST- Details) & FREE Shipping.

PIR Motion Sensor: Works by detecting human motion infrared rays
Light Sensor: 3LUX~2000LUX adjustable, Can work in day and night.
Time Delay: 10sec-7min adjustable, Time-Delay is added continually, when it receives the second induction signals after the first induction, it will compute time once more on the basic of the first time-delay rest.

Usually ships in 24 hours