SPER Scientific Timers Certified Talking

SPER Scientific Talking Timer, 3-1/4 X 2-1/2 X 1 In, 24 Hours Range, 1 Second Resolution, 3/4 In Display, 1 Count Up And 1 Count Down Channel, 2.2 Oz Weight, With One Button Cell Battery, Nist Traceable Certified, Announces The Remaining Time Every Hour, Useful For Work In Low Light Or In The Dark, In The Clock Mode On Touching Any Button In The Dark It Will Announce The Time, Has Built-In Stand For Bench Top Use, Pocket Clip And Magnetic Back - SPER