Luminous LED Watch For Male and Women Students Lovers jelly Unisex Watches Features: Display Type: Analog Dial diameter: 42MM Strap width:20MM Strap length: 230MM Suitable for wrist:140MM-195MM Strap material: high quality silicone（Sweat-proof strap） Case material: high transparent Acrylic Mirror material: high transparent plexiglass Bottom cover material: 304 stainless steel Waterproof: splash-proof, （wash hands can not bring watches） The watch has a button on the right, click, light, and began to flash alternately from 7 colors, slow flash to flash. The light time will last about 15 seconds. The color of the lights are orange, sky blue, red, purple and green No matter what the appearance of the color, each watch can send seven kinds of light. Watch built-in large capacity battery, not charging! After pressing the button, the dial is visible, with each number and scale clearly visible. The night can clearly read the dark time, night vision accessibility, easy to Get up early students and need to watch the evening's pro.