Professional Compass MecArmy compass operates in temperatures ranging from -10F to 120F. Waterproof with IPX5 rating. Ideal for camping, hiking, and everyday carry. High Sensitivity: This portable compass is made of durable materials and features advanced encapsulation technology to enhance sensitivity and accuracy. Fluorescence Pocket Compass: The compass face glows in the dark after exposure to light or sunlight for 13 minutes, allowing visibility in low-light conditions for up to 1 hour. Mini Size: Teardrop-shaped compact design includes a D-type key ring and beaded chain for easy carrying. Dimensions: 27.45mm (1.08in) length, 22.5mm (0.886in) width, 8.6mm (0.34in) height. Weight: 17g (0.6oz). Multiuse: Suitable for hiking, camping, backpacking, and outdoor navigation. Color: Gold Package Includes: 1 x Compass Note: Please allow 13cm measurement variation due to manual measurement. Image color may slightly vary due to monitor settings.