Click on the top button on the right side of the watch, and the watch will be bright. If you need to see the time in the dark place at night, you can press it, and it will flash out the colorful lights (about 6~7 colors are flashing).
Frequently asked questions:
What does luminous watch mean? There is a button on the right of the watch, click on it, the light is on, and start from 7 colors alternately flashing, from slow flash to flash. The light will last about 15 seconds. The color of the lamp is orange, yellow, blue, red, blue, and violet.
Can each watch send seven lights? B: yes. No matter what color the appearance is, there are seven lights in each table.
Is the watch battery-operated? B: yes. The watch has a built-in battery, which is not charged.
Is the watch luminous? B: yes. After pressing the button, the dial is visible, and each number and scale is clearly visible. In the dark, you can clearly read the time, night vision without obstacle, easy to get up early students and need to watch the time of dear friends.
Baby specifications:
Dial diameter: 4.2cm
Strap specification: 2.0cm*23.0cm.
Suitable for hand circumference: 14.0cm-19.5cm. 
