7975 Series Pulse^® II LED beacons feature encapsulated electronics to provide enhanced protection against dust and moisture ingress and are ideally suited to severe vibration applications. Offering a choice of 11 flash patterns and 12-24 VDC operation, these heavy duty beacons also feature a robust aluminum base. A long maintenance free service life and low amp draw make this beacon a cost effective choice for new installations or for replacing strobe or rotating beacons with the latest technology to eliminate ongoing maintenance.