With a little help from the Barsys Drink-Measuring Coaster, you’ll host your best cocktail parties yet. This smart coaster measures each ingredient as you pour it in the glass. Whether you’re making an Old Fashioned or a Martini, this coaster scale makes it precise. Not only is it convenient to have a measuring coaster, but it’s also helpful to avoid extra dishes. You don’t need to use measuring cups or dirty several shot glasses when working with different types of alcohol and ingredients. Plus, this cocktail coaster is simple to use in conjunction with the Barsys app. Just enter your ingredients, select the cocktail you’d like to make, and place your cocktail glass on the coaster. The Barsys coaster then lights up, changing color to direct you to start and stop pouring ingredients. No matter how many guests you have, this handy device ensures everyone gets their perfect drink.