How it worksbecome a master chef in just a few simple steps.there’s a whole lot more to love.the bestselling kitchen tool is the pioneer in cutting edge technology and innovation.built-in bluetooth repeaterleave the charger close to the cooker so your phone doesn't have to be. The signal repeater in the charger allows to monitor the cook from your phone at an extended range.dual sensorsmeasure both the internal meat temperature and the temperature close to the food to get an estimated cook time and get alerted when your food is ready. All in one nifty app.more "you time"no more constantly opening the grill or oven and checking on your food. Focus on more important stuff while we watch your cook for you.modern design aestheticsthe sleek, stainless steel probe is housed in a sleek, bamboo charger. With a magnetic backing, attach the charger to any metallic surface. Completely wirefree, the charger is powered by a single aaa battery that can charge the probe 100 times.