Agility™ 4 Grade 2 Central with Voice and GSM 2G2 Module module, Up to 32 radio zones. 32 user codes and 4 authority levels. 3 partitions. Up to 3 two-way wireless keyboards and 8 remote controls. European frequency 868 MHz. Memory of 250 events. 6V/3.3 Ah sealed lead-acid batteries. Consumption 130mA. Dimensions: 268.5 × 219.5 × 64mm.