This Yellow LED Output Indication 8mm proximity sensor is a cylindrical proximity sensor with a yellow LED output indication. It is suitable for detecting the presence of objects or liquids. This sensor is ideal for applications such as light curtains, barriers, machine guarding, and more. This sensor is unshielded, and it features a plastic case. It has an 8mm diameter, and it has a 2m cable. It has a 2 wire output circuit type, and it comes with 2 lock nuts and a screwdriver.