Tells the time with colours and pictures: Perfect when sleep training toddlers, the easy to understand pictures help little ones understand when it’s time to get up and when it’s time to stay in bed USB powered: Mains powered by a 3.5mm USB cable and adaptor plug (1.8m length). The USB adaptor plug is not included but the cable is compatible with most USB plugs used as phone chargers Adjustable brightness: The screen brightness can be turned down or turned off completely. Ideal as a nightlight for comfort and reassurance or for when your toddler needs a night-time toilet trip Digital Clock: The optional digital clock feature is ideal for when your little one starts to learn digital time 2 time settings and audible alarm: With 2 settings you can set a different weekday, weekend or naptime wake up times and the optional audible alarm features is perfect for routine wake up times Material composition: Acrylonitrile Butadiene Styrene Item thickness: 1.6 centimeters