The CQ4-08EPSKP1 is a miniature photoelectric retro-reflective sensor from Sick, a leading manufacturer in industrial automation. This device is designed to detect objects as small as 0.8 millimeters in a range of 70 millimeters, making it an ideal choice for precision sensing applications. The CQ4-08EPSKP1 features a compact design and operates on 10-30VDC. Additionally, this device has a built-in temperature compensation and is able to withstand shock and vibration due to its reinforced housing. The CQ4-08EPSKP1 is available with either red or white light, allowing it to detect various colors or transparent objects. This device also comes with a variety of output options, including complementary PNP, NPN, and relay, making it a truly versatile choice for a variety of sensing applications.