This Batman digital light - up watch is perfect for kids aged 6 and above. With just a push of a button, the entire watch face lights up in a variety of colors for 10 seconds. It features a rubber strap with a metal clasp, a reliable Japanese mechanism, 30m water resistance, and it's an officially licensed product.

Using this watch is super easy. To see the cool light - up effect, just press the button on the side of the watch. The light will stay on for 10 seconds. When it comes to wearing the watch, adjust the metal clasp on the rubber strap to fit your wrist. For water resistance, it can handle splashes and short swims up to 30 meters, but don't leave it underwater for too long. To keep it in good shape, clean it with a soft, dry cloth regularly. Don't expose it to extreme temperatures or strong chemicals. And remember, this is an officially licensed product, so enjoy its unique design and features!