The Purflo Sleep Well Trainer Clock is perfect for children who can\'t yet tell the time. The easy to understand display helps them to know when it\'s time to wake up, using a visual aid to show your little one clearly when it’s time to get up when they cant read the time. The easily recognisable icon of a sun and moon can show your little one when they can get up. The use of visual aids helps you get your little one into a god routine from a younger age and promotes healthy sleeping habits. 7 Levels of adjustable brightness to make sure it\'s not too bright at bedtime. Fully chargeable so no need for mains cable next to the bed. Child friendly clear icons. Sun for wake up and Moon for sleep time Child key lock to prevent accidental altering of the settings Simple and user friendly operation ON/OFF Button Alarm mode if desired USB rechargeable – lead included