The GroEgg2 is a unique colour changing room thermometer and bestselling nursery essential. GroEgg 2 is now USB powered making it a true travel essential. Its larger, brighter design makes it even easier than before to check your little one is resting at the correct temperature. The innovative and iconic colour changing system and digital temperature display matches back to Tog ratings helping you maintain the safest environment for your baby and assists in determining how to best dress your baby for a safe and comfortable sleep. The Groegg2 includes 4 adjustable brightness levels allowing you to use it as a nightlight or find a light level that suits your baby.