Scantronic Wireless External Bell Box Siren (No Cover) | SDR-2R-EXT-NC

The Scantronic SDR-2R-EXT-NC Wireless External Bell Box Siren (No Cover) is a high-performance external warning device designed for use with Scantronic wireless intruder alarm systems. Supplied without an outer cover, this unit is ideal as a replacement siren module or for pairing with a compatible Scantronic external sounder cover.