Feature: 1. Storage Compartment: Includes space to store personal emergency information such as name, address, phone number, and blood type for quick identification by responders. 2. High-Brightness LED Flashlight: Provides reliable illumination in low-light or no-light conditions; LED has an estimated lifespan of 10,000 hours. 3. Magnifying Glass: Can be used to focus sunlight onto dry vegetation to generate ignition under appropriate outdoor conditions. 4. Signal Mirror: Designed to reflect sunlight for signaling rescuers and indicating location during emergencies. 5. Built-in Thermometer and Compass: Enables quick temperature reading and directional orientation with clear, easy-to-read displays. Specifications: Item Type: Emergency Survival Whistle Weight: 53 g (1.9 oz) Material: ABS plastic Battery Capacity: 80 mAh (built-in) Battery Type: CR1220 button cell Number of Batteries: 2 Package Includes: 1 x Multifunctional Whistle