About this item Designed to withstand the rigors of a commercial kitchen, the YOOYIST Restaurant Timers features 4 independent channels to help you keep track of multiple cooking events at once. It's easy to clean, mounts on the wall, and plugs into any 220-volt outlet instead of using batteries. Construction - Made of thick stainless steel with low power consumption. It is lead-free metal and easy to clean and maintain. Memory Function - The previous time setting remains even after the timer is powered off. Memory Function - The previous time setting remains even after the timer is powered off. Loud Alarm - High decibel buzzer,adjustable alarm volume,designed for noisy restaurant kitchen. Clear Display--The timer can be saw from a long distance as its clear LED digital display. That makes the timer conspicuous in busy commercial kitchen.