•Maximum output of switching power supply: 3A •Zone numbers: 1,2,4,8 zones •AC input: 110-240 VAC •System voltage: 29V DC Normal •Battery type: 2 x 12 V/1.3 Ah •Each zone has a stop function •Maximum 20 conventional detectors in one zone •End of line resister:4.7k •Alarm output: Relay •Siren output: 4 x Available •Display: Led