The Orange Chef Prep Pad- Smart Food Scale, Silver Get an accurate breakdown of calories, fat, protein and carbs in your meals- whether Packaged or Home Made Access a food library of more than 300,000 items with the added ability to scan barcodes Track and log meals 1 year battery life, 4 AAA batteries (included), Bluetooth 4.0 (w/ single button auto-connect) Requires iPad 3 or newer, any iPad mini, any iPad Air, iPhone 4S or newer and iOS 7 or newer; Device requires internet connection