Round Sensor Reflector, For Use With Polarized Retroreflective Photoelectric Sensors, Color Silver, Material Acrylic, Round Shape, Diameter 3 in, Luminance Factor 4000X, 150 Degrees F Max. Temp., Mounting Hole Center
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.