1. Japanese Movement Battery: This watch features a high-quality Japanese PC21 movement and dual batteries for timekeeping and illumination, ensuring a longer lifespan and enhanced durability. Replace the light battery if illumination is weak, and the time battery if accuracy is compromised.2. Premium Quality Material: Crafted with a TPU strap and ABS case, this watch is soft, comfortable, and shock-resistant, providing excellent protection for your child's wrist. The glass resin mirror is both wear-resistant and drop-resistant, ensuring clarity while reading.3. Night Light Feature: The integrated night light allows children to easily read the time in low-light conditions, making it an ideal gift for birthdays. The large dial design is perfect for kids and teenagers aged 6-18, enhancing usability and style.4. 50M Waterproof Rating: With a water resistance of 50 meters (5ATM/150FT), this watch is suitable for swimming and can withstand splashes and rain (not for sauna, bath, or diving). Avoid operating the watch in water to maintain its functionality.5. Stylish and Functional Design: This watch combines a modern aesthetic with practical features, making it a fashionable accessory for young users. Its versatility s it can be worn for various occasions, enhancing both style and functionality.