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Sper Scientific, 810045C, Visual and Audible Continuous Alarm Timer with Certification
Includes 2 AAA batteries
Has a range of 99 hours and 59 minutes in 1 second intervals.
Select either a bright flashing yellow LED visual alarm or an audible alarm. A memory recalls the last timer setting for reuse. Model 810040 is often used by testing organizations, including Law School Admissions Council (LSAC). Built in stand for bench top use, clips to a pocket, or sticks to any metal surface with a magnetic back.
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