Viking BLK-4 Line Status LED Strobe / Beacon Light Kit Mass Notification SystemViking BLK 4 Features: The BLK 4 provides high visibility indication of analog line status through a high powered 360 LED strobe and or beacon visual indicator The BLK 4 is the ideal solution for the hearing impaired and can be used equally well in loud warehouses or factories, where ringing phones cannot be heard Alternatively, the BLK 4 can be used to add emergency notification to pre existing emergency phones by turning on the strobe light when the

2x double gang adapter plates

When ordering

Internally sealed push button switch

Shipping docks

Two levels of adjustable brightness

Red LED off-hook indicator

3 pair = 325 ft

Four programmable ring cadences: normal (2 sec ON / 4 sec OFF)

Viking W-3000 Features:

E-1600-45A and E-1600-45A-EWP

Security systems or alarm panels with dialers

Economical