This Control Company eight-channel alarm timer is the only timer manufactured with a continuously-adjustable alarm-volume control. Can be set from whisper low at the lab bench to ear-piercing loud for noisy plant areas. Alarms may be set to sound continuously until turned off manually or set to turn off automatically in 7 seconds or 1 minute. Three channels count down-each with a memory (memory allows automatic return to the previously programmed time at the press of a button). One channel counts down, and when zero is reached, alarms and starts counting up. The stopwatch channel counts up and alarms at any preset time. The 2 repeat channels automatically alarm repeatedly at any programmed time interval (e.g., set it to continually sound an alarm every 37 m-Inch.). 100 hour timing capacity. Clock channel displays time-of-day in AM/PM or 24-hour time. Brilliant display is extra-large, easy-to-read, headline-size, 1/2-inch high LED digits are bright and sharp. Display can be read from 25-feet away. Housed in an ABS plastic case. Unit operates on 115 VAC/60 Hz. Size: 6-1/2 x 4-3/4 x 3-1/2-Inch. Timing Range: 99 hours, 59 minutes, 59 seconds. Resolution: 1 Second. Maximum Time: 100 Hours. Countdown/Countup: Down/Up. Weight: 16oz. Control Company#: 5005.