Feature: Reminds your child with a cute melody: Simply set the interval timer alarm for 30, 60, or 90 minutes to remind your child it's time for the potty. Water-resistant wearable potty training watch: Waterproof design allows children to wash hands or play with water without damage. Lights and music: LED screen with 9 reminder tones. Set 30, 60, or 90-minute intervals to remind kids to go to the potty. Easy to use and rechargeable: Equipped with USB charging function for convenient power-up. Makes toilet training fun and engaging for kids: Ideal for toddlers and helps busy parents maintain a consistent routine. Suitable for children aged 18 months and above. Name: Silicone Strap Size: 22.5 x 1.6 x 1.5 cm Material: Silica gel Color: Blue Package Contents: 1 x Silicone Strap 1 x Instruction manual in Chinese and English Note: Light reflection and different displays may cause slight color variation between the image and the actual item. Measurement may vary by +/- 1-3 cm.