Material: ABS GlassLuminous compass, easy to read in darkness.Waterproof, can also be used when diving.Wide range of uses: camping, outdoor sports, outdoor survival, diving, water sports.Wrist watch style, more convenient to use.Wrist Watch Style Waterproof Diving Compass Swimming Water Sport Navigation ToolItem Name: CompassWorking Temperature: -30 to 60 Degrees CelsiusMaximum Deviation: ±2 DegreesTilt Correction: -/ 18 DegreesUnderwater Depth: 50 Meters/164 FeetSize: 7cm x 6.5cm x 3.8cm/2.76" x 2.56" x 1.50" (Approx.)Package Includes:1 x CompassGlobal Mountaineering,Navigating .