Silex alarm package model S7-2ch includes Silex + SG7 SIM card panel and two +476 Paradox eye numbers with base, speaker and cover and 50 meters of telecommunication wire.
Silex S7-2ch-B alarm pack includes Silex + SG7 SIM card panel and two +476 Paradox eye numbers with base, speaker and cover, 50 meters of telecommunication wire and 4.5 amp long battery.