INTELLIGENT OPEN AREA BEACON RED LENS
three tones on standard devices; Apollo, Slow Whoop and DIN - all of which comply with EN54-3:2001
two volume settings 92dB(A) and 100dB(A)
synchronisation of tones and flashes
individual & group addressing
built-in isolator (EN54 versions only)
wire-to-base for simple interchange of device
device locking facility