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: Life waterproof design allows children to wash hands or play with water. Lights and music: LED screen and 9 reminder sounds. Set 30, 60, or 90 minutes to remind kids to go to the potty. Easy to use and rechargeable: Equipped with USB charging function. Makes toilet training fun and engaging for kids: Ideal for toddlers and helps busy parents remind children regularly without losing track of time. Suitable for children 18 months and above. Name: Silicone Strap with Micro-USB Charging Cable. Size: 22.5 x 1.6 x 1.5 cm. Material: Silica gel. Color: Blue. Package Contents: 1 x Silicone Strap, 1 x Micro-USB Charging Cable, 1 x Chinese and English instructions. Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement may vary by +/- 1-3 cm.