TTLIFE Children's Digital Watch Outdoor Sports Watches LED Alarm Stopwatch Wrist Watches Black Taiwan IC Chip Set: Keeping good time and Japanese battery provides the strong power for the watch. PC Material Shell: Hard and durable. PC Material Buckle: You can adjust the watch according to your wrist size at any time. Convenient. Highly Transparent Resin Glass: The glass is made from the highly clear resin material imported abroad and sealed with the case by high frequency machine, so that the glass is extremely hard and pressure-tolerant. 50M Water Resistant: The stainless steel screw back provides better water resistant feature for the watch. Silicone Strap: High quality silicone strap, plus spray handle oil, soft and comfortable. Clasp made of stainless steel. Imported EL Lighting Chip: Using Imported EL light chip, you can simply press the light button and see the time display brightly and clearly at dark.