We offers alarm system. product warranty: 1.5 yrs free service: 1 yr + 6 months rite extra description : external reapeter connectivity options. attachable with all fire detectors. auto dialer attachable facility. 6 to 96 zones expandebles. specification : led indication for zone wise fire, open, short,zone isolation. power source : 230vac; 9v battery backup. audio alarm : 85db at 10ft. 16*2 dot matrix display.