2.Three function switches: it can adjust the sensitivity, delay time (5+/-2 seconds-4+/-1 minute), lighting (2-2000lux), select the appropriate parameters according to the specific situation 1.Motion sensor: PIR motion sensor can be used for night safety lighting. Motion sensor range. Motion sensor can detect 180 degree angle range and distance up to 8 meters/26.2 feet 3.Lighting function: It can work around the clock and choose the sun position. It only chooses the moon position at night. the recommended installation height of the sensor is about 1.8 meters-2.5 meters / 5.9-9.2 feet 4.The sensor head can rotate 180degrees . the head can be rotated by 180degrees and the angle can be adjusted to achieve the best condition easily 5.waterproof:very suitable for home garden or workplace use, protect you from danger, Manufacturer: Akfldms