Features: Combines four features—signal whistle, direction locator, magnifier, and keyring—into portable unit for wilderness trip and emergency readiness. Craft from plastic, this tool is portable, sturdy, and resistant to wear, ensuring functionality in various demanding conditions. Available in selection of color catering to different personalize preferences and styles. With portable size, this tool is small and easy to carry, conveniently attaching to keyring for quick access and minimal bulk. Ideal for hiking, camping, fishing, climbing, and emergency situations, offering navigation with the direction locator, detailed observation with the magnifier, and signaling with the signal whistle. Specifications: Materials: Plastic Color: As Picture Show, Seven Color to Choose Size: 8x3x2cm/3.15x1.18x0.79inch Package Includes: 1pc Whistle Keychain note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.