Features:This compass adopts wristwatch design, lightweight and portable, more convenient to use. Quality glass compass lens and ABS wristband, tough, wear-resistant and durable. Sensitive and has excellent performance in guide, waterproof depth is up to 50m. Good for outdoor uses, underwater caving, camping, hiking, cycling, hunting, etc. Nice gift for people who are fond of outdoor activities. Specification: Material: ABS + Glass Color: Shown as picture Working Temperature: -30 ℃- 60℃ Maximum Deviation: -/+2° Slant Correction: -/+18° Underwater Depth: 50m / 164ft Compass Size (Dia x H): Approx. 6.5 x 3.15cm / 2.5 x 1.2in Wristband Length: Approx. 37cm / 14.5in Weight: Approx. 157g Package List: 1 x Compass Note: Keep it in dry and cool place, away from sun exposure, metal items and where is full of electromagnetic effect.