PROGRAMMABLE ALARM ANNUNCIATORS, EAPL make, M2, series, 42 window, ELECTRONICS TIMERS, A-, series On delay A1D1- X timer: 24V AC/ DC to 230V AC/ DC, A- series Interval A1DE-, X timer: 24V AC/ DC to 230V AC/ DC, PROGRAMMABLE, ALARM ANNUNCIATORS, M2 series, 12 window