Perfect Bake 2.0 Smart Scale and Recipe App Kitchen Tool, Wireless (Bluetooth 4.0) Perfect Bake 2.0 Smart Scale and Recipe App Kitchen Tool is Wireless Forget measuring  Just pour! Pour too much? Dont worry. Perfect Bake automatically adjusts to fix your recipe. Virtual bowl on screen fills up as you pour, telling you when to stop. Auto-scales recipes for number of servings and different cake pan sizes and shapes Generate a Shopping List of ingredients you are missing for the recipes you want to make. Choose from 300+ chef-tested recipes or add your own. Not enough ingredients? Use the Pantry feature to find out what you can make with what you have! 2 AAA batteries required (not included). Scale max capacity: 11 lbs (5 kg) with 0.5 gram precision. Compatibility: iOS 7.0 or higher, Android 4.3 or higher, NEW - Kindle Fire (3rd gen or higher) Includes: wireless smart scale, app, 3 color-coded bowls, and phone/tablet stand