The A906011 is a Photoresistor ThroughHole RoHS manufactured by Jing Chuang. It is a passive electronic component that can detect light and can be found in a variety of products, including electronics, automobiles, and appliances. It operates by changing its resistance value when exposed to light. It has a small size with a diameter of 3.5 mil and a length of 3.5 mil, making it ideal for small spaces. It also has a stable performance and can work in a wide temperature range. Additionally, it is RoHS compliant, meaning that it meets all European environmental standards.