The System Sensor 488H36 is a horn strobe that provides audible and visual signaling. It has a sound output of 88 dBA at 10 feet and a flash rate of 1 Hz. This 12/24 volt strobe is UL 1971 and UL 464 listed, has a red finish, and includes a mounting plate for easy installation. With a rugged design, the 488H36 is suitable for indoor or outdoor use.