Continuous Alarm Timer (Sper Scientific 810045)

Alarms will flash or sound continuously until shut off by the user. A memory recalls the last timer setting for reuse. Also counts up and automatically counts time elapsed after the alarm. Range of 9999 minutes with 1 second resolution for the final 100 minutes (otherwise 1 minute resolution.) Built in stand for bench top use, pocket clip and magnetic back. 2 AAA batteries included. Weight: 2 oz. (57 g); Dimensions: 3” x 2” x 5/8” (75 x 55 x 15 mm). Five year warranty.