Designed for life safety, performance and reliability, the Wheelock weatherproof notification appliances include (MTWP) Multitone Horn Strobes.
All strobe models are UL dual listed—meeting both UL1638 and UL1971 requirements. As dual listed appliances, these weatherproof strobes, horn strobes and speaker strobes are listed for outdoor applications under UL 1638 as well as under UL 1971, the Standard for Safety Signaling Devices for Hearing Impaired.