Commercial grade four-channel timer Adjustable volume for noisy kitchens Extra big and loud up to 100dB Splash-proof housing Record your own voice alarms Backlight for low light conditions Flashing colored LED's 6.6-inch height with large digits to see from distance 3 selectable tone frequencies for optimal hearing Numeric keypad for quick alarm setting Designed in Utah by ThermoWorks Commercial timer with four independent displays. Splash-proof with adjustable volume from loud to super loud (100dB) for noisy kitchens. Easy to set, easy to use. Stands 6.6-inches off the counter with large-digit LCD display so you can see each timer independently. Record your voice for any alarm so you know exactly what's done – no guessing. TimeStack is a professional timer found in commercial restaurant kitchens. Set alarms quickly with numeric keypad without fiddling with up/down or scrolling buttons. Four distinct alarm sounds tell you what timer is alarming, or record your own voice-alarm for each channel and call out which dish is ready. Big digits are legible from a distance. Stands upright on the counter or grips securely to a metal surface with strong magnets. Splash-proof IP65 design keeps internals dry around kitchen splashes. Settable tone frequency for optimal hearing. It's time to toss your cheap, flimsy timer for a quality-built TimeStack.