Abus xenon flashing lights red yellow blue abus sg1680 p the abus sg1680 xenon flashing light blue can be installed inside and outside your building the optical signalling device is a crucial link in a fully functioning alarm chain at the start of the chain is a detector p p in the event of an alarm the colored xenon flashing light can be seen over a large distance and flashes at 70 times a minute the robust plastic housing ip 54 of the signalling device offers protection against