Spectra™ Plus Kit from 9 to 32 zones. Includes 1 SP6000 bidirectional Cental Panel with 8 zones (16 with ATZ), expandable up to 32, in a large box (L-BOX) with transformer and capacity for 12VDC/7Ah battery (not included), and 1 TM50 tactile keyboard of 5". Security Grade 2 Certified.