Features a volume control dial and large LCD with red light flashes and audible . 1-touch Start/Stop button and max. 90dB volume. Automatically counts up once timer has elapsed. Surface-mount on nonskid rubber feet; wall-mountable. Includes C cell batteries.Specification: Item: 24-Hour Digital TimerMax. Time Setting: 23 hr, 59 min, 59 secMin. Time Setting: 1 secHeight (In.): 7 inWidth (In.): 6 inDepth (In.): 4 inDisplay: LCDDisplay Height (In.): 0.88 inDisplay Width (In.): 2.25 inDigit Size (In.): 0.88 inSpecial Features: Repeat Cycle Timing, Adjustable up to 90 Dec/1Meter: Audible/VisualBattery Type: (1) AAAIncludes: BatteriesWarning: California Residents: This product and/or packaging can expose you to chemicals including Styrene, which is known to the State of California to cause cancer and birth defects or other reproductive harm.