Feature: 1. The watchband environmentally friendly silicone is added with luminous powder, which has a luminous effect, and you can see a very obvious luminous effect at night or in a dark place. 2. The watch has a built-in luminous lamp movement. Press the button at 2 o'clock. The luminous lamp movement will start to glow and flash. The colorful lights will flash for about 10 seconds and then go out automatically. If you don't press the button, it will not flash and glow. Specification: Thickness: 17mm Dial Diameter: 36mm Strap Material: Silicone Shell Material: Plastic Package Included: 1 x Kids Watch Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement. ( 1 inch = 2.54 cm )