Features: Portable underwater navigation compass with clear font and scale, easy to read data, can dive down to 50 meters deep. With a transparent lens, larger window opening, easy to aim, the dial can be tilted up to 30. The dial has built-in fluorescent material, which can absorb light source and emit luminescence in dark conditions, easy to read. High-quality ABS material, with nice durability, strong and anti-aging. Small and lightweight, easy to carry. With an elastic cord, can be fixed on the body or backpack. Perfect for diving, camping or other outdoor activities. Specifications: Color: Black Material: ABS Item Size: 81.5 * 62 * 35mm/ 3.2 * 2.4 * 1.4in Item Weight: 73g/ 2.6oz Package Size: 110 * 80 * 44mm/ 4.3 * 3.1 * 1.7in Package Weight: 103g/ 3.6oz Packing List: 1 * Compass 1 * Elastic Rope