May be programed to control audible signals and facility energy usage; w/backup battery in case of power failure; input power ac 120.0 v=10.0 pct 60.0 hz; pwr consumption 0.15 a; accuracy porm 0.7 sec/week; ambient temp 32.0 degrees fah to 140.0 degrees fah; signal interval min. To min.; sig duration 1.0 to 30.0 sec; 2 cir for sig outside; 240 max sig; cir contact capaci type 2a; o/a dim. 370.0 mm ht, 300.0 mm w, 80.0 mm dp