Using the Sansaire SA15US 23-Liter Sous Vide Machine is a breeze. First, fill a container with water and attach the machine to the container wall using the stainless - steel clamp. Then, twist the ring to set your desired cooking temperature, which you can easily monitor on the clear display. Place your food in a sealed bag and submerge it in the water bath. Let the machine do its magic! When it comes to safety, always make sure there is enough water in the container to avoid triggering the over - heat and low water level protection. For maintenance, after each use, unplug the machine and wipe it down with a damp cloth. Don't submerge the machine in water to avoid damaging its internal components. With proper use and care, this sous vide machine will serve you well for a long time.