mt-1 exit release timer 00604840930017 12-24v ac/dc. normally open trigger mini timer with an adjustable "on" time setting from 2 to 45 second 0604840930017 alarm controls mt1 mini timer, plastic 604840930017 mini timer, type single pole double throw, material plastic, length (in.) 1.75, width (in.) 0.50, height (in.) 1.75, , number of outputs 1, input voltage 35vdc, voltage output 12 to 24 volt ac or dc, output current (amps) 2a, nonfused, standards ul listed, for use with access control devices, timer