BOSCH-INCENDIO FNX-425U-RFWH White acoustic optical device and flash

White acoustic optical device with red flash All in one 4000 addressed to the EN54_3 and EN54_23 certified LSNi. Powered directly from the Lsn loop without the need for an external 24V. Use both on the wall and on the ceiling. Compatible in the case of ceiling installation with all addressed Bosch detectors. 32 selectable tones and 3 different levels of light intensity. Max. current consumption 0.9 mA. IP42 degree of protection. Battery included. If used stand alone, it requires