The LI404B Strobe is a high-intensity remote visual signaling
device for use with TekTone® PK543, PK205 and PK104B
Amplifier Apartment Systems, and with TekTone® PK502B
Transfer Relays. The unit is primarily for use in locations
where hearing-impaired persons require supplemental call
notification, but can be used anywhere a visual indication of
an incoming call is desired. The bright strobe light flashes
for approximately 15–20 seconds when an incoming call
The device can be installed in most standard single or double
gang electrical boxes or similar indoor openings. It is not
a weatherproof device and therefore should not be used
for any outdoor applications. Installation is facilitated by
the use of simple connections to the pre-mounted circuitry
and a complement of mounting hardware
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