The 5900 series LX signaling device is designed to indicate an alarm state of the interior of the fire detection systems. It is available in three versions, with optical signaling, acoustic and optical-acoustic. The alarm optical signal is assured by an efficient bright LED flash light can cover an area of 8 x 8m to a 4m installation height, while the acoustic signal is assigned to a high-power internal siren with sound pressure of 88 dB at 1 m. The detector is provided with pictogram bearing the words "FIRE ALARM" LED-backlit light on alarm. The degree of protection IP54 guarantees its use in indoor and outdoor environments, wet and / or dusty. The 5900 LX series is compliant and certified according to the requirements of the EN54-23 (optical part) and EN54-3 (acoustic set).