Are you on a diet? Well if you do, here’s a simple useful device to let you know how much caffeine your beverage contains, so you’ll be able to maintain your health. A pack of these Caffeine Test Strips will definitely help you out, just simply dip one into the beverage and wait for about 30 seconds for a result, just that simple! The strips come in packs of 20, and cost around $10. [Ohgizmo]
