ArcOne S450-10 4-1/2" x 5-1/4" x .2" Fixed Shade 10 Lens SinglesŪ Brand Horizontal Mount Light (non-darkened) shade: 2.5 Darkened shade 10 S3 Stacked Sensor Fully Water and Dust Proof Dark to Light State Delay: .2 Seconds Switching Speed: 5/10000 second