Spectra™ Plus kit from 5 to 32 zones. Includes 1 SP4000 Central Board, bidirectional central of 4 zones (8 with ATZ), expandable to 32. 1 Large box (L-BOX), box with transformer and capacity for 12 VDC/7Ah battery (not included) and 1 K32LCD+ keyboard with 10-zone LEDs. Additionally: 4 dual-element digital NV5 IR detectors with antimasking capacities up to 16 kg, and 1 12VDC / 4.2 Amp battery.