Wheelock DSM-12/24-R, DSM Sync ModuleCondition:* New Surplus Stock, In OEM Packaging. As Pictured.Additional Notes:* Approvals Include: UL Standard 1971, ULC, New York City (MEA), California State Fire Marshal (CSFM) and Chicago (BFP)* Uniquely designed to accept an independent strobe and audible input from the FACP and convert to a single output that connects to Wheelocks Series AS or Series NS family of audible strobes* Series DSM Sync Modules can also be used to synchronize Wheelocks Series Exceder, RSS, RSSP and SLM Sync Strobes* 3 Ampere Per Circuit Current Handling at 24 Volt DC* Low Operating Current Draw* Compatible with all standard fire alarm control panels* Meets the NFPA-72 requirement for Temporal Pattern when used with the Series AS/AH and/or Series ExcederWheelock DSM-12/24-R