Stopwatch, Water-resistant stopwatch with lanyard features split and cumulative time modes, 1/100th second increments, calendar/date display, and an alarm.
DC Voltmeter, Full scale and fully enclosed, For numerous electrical experiments, Color-coded binding posts, Can be used with Banana cords, Voltage: 0 to 3V, 0 to 10V, 0 to 15V, Accuracy: +/-2.5%