?1 Year Warranty? H-CHIN provide 1 year warranty service. FCC, CE and RoHS approved. Material: Soft Silicone and ABS, Smooth surface. ?Smart Training Tool?0-120 mins Nap Timer, snooze, child lock & settings preserved, light touch button design. Huge clock display, easy to read. NOTE: It must be plugged in to use, package include wall plug and cord. ?Sound Machine? Choose from 17 soothing sounds: 3 white noise, 4 lullaby music, 10 nature sounds. Excellently masking background noise and allowing for better sleep for kids. ?Night Light? 9 colored light to choose as night light or wake-up light. 5 brightness white light, clock face dimmable, don't worry about being "too bright" at night. The night light can switch off auto after a period of time or stay on all night. ?Kids Sleep Training Clock?"Is it time to get up?", our sleep trainer uses colors and facial expressions to teach toddler understanding the concept of when to stay in bed and when to get up. Let "Dino" grow with your child, It will be a quick transition from getting regular 4am wakeup calls to sleeping through the night.