FeaturesCaptive trippers with 15 min intervals on 24 hr models and 2 hr intervals on 7-day models7-day carry over battery backup on Q modelsNoise immune, ideal for robust applicationsSynchronous drive or quartz drive Q models with self-recharging battery backupTrue clock face, easy-to-setCompact size1350 W, 120 VAC, 50/60 Hz tungsten1 hp at 120 VAC/2 hp at 240 VAC power rating