During installation, a selection plug at the back of the housing determines the desired strobe intensity. An attached flag with black letters on a highly visible yellow background allows the selected intensity to be seen at the side of the strobe lens.

• Operation is compatible with ADA requirements (refer to important installation information on page 3)
• Rugged, high impact, flame retardant thermoplastic housings are available in red or white with clear lens

• Horns that are controlled separately from strobes on the same two-wire circuit
• “On-until-silenced” and “on-until-reset” operation on the same two-wire pair
• SmartSync horn activation of Temporal pattern, March Time pattern (at 60 BPM), or on continuously
• Strobe appliances on the same circuit operating at a synchronized 1 Hz flash rate
• Class B operation requires connection to a compatible SmartSync NAC or to SmartSync Control Module (SCM) 4905-9938
• Class A operation when connected to the 4905-9938 SCM or with 4100U series fire alarm control panel NACs