It uses colours and facial expressions to teach your child when it's time for bed and when it's okay to wake up. They can apparently learn to stay in bed longer - which gives you more sleep.
What's it for?
Mella by Little Hippo is an all-in-one sleep trainer, alarm clock, sleep sounds machine, night light and nap timer, designed to keep your kid in bed longer.
Dimensions: 4.25" x 4.25" x 4.50"
Weight: 0.5 lbs (8 oz)
Material: Child-safe ABS; LED
Child Lock Mechanism: Yes
Display: 4 brightness settings, 12/24 hour toggle
Volume: 4 volume settings
Power: Type A A/C wall adapter included (Input: 100-240 V, Output: 5 V)