The Guardian Electric A420-065707-00 is a Safety Light Curtain Receiver For Finger Protection, designed to protect personnel from hazardous machine operations. The unit consists of receiver and associated electronics designed to interact with light curtains and other protecting devices. It is equipped with self-test and fault memory functions, allowing for easy maintenance and troubleshooting. It is designed to meet global safety standards and is suitable for use in both electrical and industrial environments. Additionally, the compact design and low power consumption make it an economical choice.