The E-964-S50TB- ENFORCER MULTI-FREQUENCY SINGLE PHOTOBEAM is a versatile and reliable access control solution for both indoor and outdoor use. With a range of up to 50 feet, this photobeam can effectively monitor entryways, gates, and other access points. The built-in signal strength indicator and automatic gain control ensure optimal performance in varying environmental conditions. Furthermore, the three status LEDs provide quick and easy visual confirmation of the photobeam's operational status, making it a convenient and user-friendly option for access control systems. Whether for home security or commercial applications, the E-964-S50TB- ENFORCER MULTI-FREQUENCY SINGLE PHOTOBEAM is a high-quality choice for monitoring and controlling access to any property.