Plug and play Multi-function clock/timers, specially configured for stand-alone applications. Comes with super bright dot LED's that are visible in bright sunlight, this model can be used for temporary outdoor applications. AE series Multi-function clock/timers operate simultaneously as a time of day clock, a count up elapsed timer, and a count-down elapsed timer. Built-in controls on the top panel allow the operator to select the desired function, as it is in progress, without affecting the other functions.