The H-Chin Kids Sleep Training Clock uses colors and facial expressions to help toddlers understand when to stay in bed and when to get up, aiding in a smoother sleep transition. It features 9 colored night lights with adjustable brightness, and can function as a wake-up light. The sound machine offers 17 soothing sounds, including white noise, lullabies, and nature sounds, to mask background noise for better sleep. This smart training tool includes a nap timer, snooze function, child lock, and preserves settings. The design features light-touch buttons and a large, easy-to-read clock display. Note: The clock requires being plugged in and comes with a wall plug and cord. H-CHIN provides a one-year warranty, and the product is FCC, CE, and RoHS approved. Materials include soft silicone and ABS with a smooth surface.