This is a hyperboloid type 25 pin circular plastic connector manufactured by Nicomatic. It is a waterproof connector with clamps that provide a secure and robust connection. The connector can be used in applications such as agricultural and industrial control, consumer electronics, and automotive applications. The connector is made from polyamide and is rated to IP67 and UL94V-0. It is RoHS compliant and is able to handle up to 10A at 250VAC/VDC.