Sleep Trainer for Kids: Combines an OK to Wake alarm clock, nightlight, and white noise machine in one easy-to-use sleep trainer. Helps children aged 4-10 learn when it's time to sleep or wake up using gentle light and sound cues. Sunrise & Sleep Mode Features: Customize your child's morning with a sunrise alarm clock that gradually brightens before wake-up time. At night, red light and white noise create a calming bedtime routine. Includes bedtime alarm, snooze, and auto shut-off . Designed for Families: Includes a secure child-lock, 12/24-hour time format, screen brightness control, and gentle alarm sounds. Designed to support healthier sleep habits and bedtime routines for growing kids. Charging time: 2-4 hours Power: 1W Battery: 1800 mAh Color: White Material: ABS+Silicone Package Contents: 1 * alarm clock Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.