Featuring a stylish design, this watch has an LED red light display for a clear visual experience. It offers a binary time mode, 30 meters waterproof capability, and adjustable strap length to meet daily needs. The watch is made of alloy material. Two sizes are available for selection. Suitable for students' daily wear. Item Name: Digital Watch Material: Alloy Features: Binary, LED Screen, 30 Meters Waterproof Power Supply: 2 x Button Battery (Included) Movement Type: Electronic Size Details: 1. L: 5cm/1.97", W: 3cm/1.18", H: 1.2cm/0.47" (Approx.) Strap Length: 23cm/9.06" (Approx.) 2. L: 4.5cm/1.77", W: 2cm/0.79", H: 1cm/0.39" (Approx.) Strap Length: 20cm/7.87" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Digital Watch