X200-21 is a Xenon Beacon Lamp, made of UV stable ABS base and UV stable polycarbonate lens. It is suitable for either internal or external use where a more powerful warning signal is required. It produces 10 joules of flash energy at 60FPM and when the double flash option is chosen the beacon produces 10 joules first flash and 7.5 joules on the second flash. The light is emitted through 3600 around the vertical axis and 1800 above the horizontal axis. The 201/200 series can be conduit box mounted. This model can be surface or wall mounted as standard.