Envisalink EVL-4EZR IP Security Module for DSC Honeywell Alexa Compatible

PANEL COMPATIBILITY: Honeywell Vista Panels (Vista20P, 21iP, 15P, 10P, 128, and 250.). DSC PowerSeries (1555, 1555 MX, 1575, 5010 (832), 5020 (864), 1616, 1832, 1864). Compatible with Alexa. DSC PowerSeries (1555, 1555 MX, 1575, 5010 (832), 5020 (864), 1616, 1832, 1864).