The emergency post adopts ABS high-strength, fall resistant, and high-temperature engineering materials, which are lightweight and elegant, with excellent airflow design. It comes with a rope, so you can tie it to your backpack, belt, or neckYou can put your life preserver in it before traveling: write down your name, address, phone number, blood type, etc. Enable rescue personnel to grasp your situation as soon as possibleThe whistle uses high-precision compass and thermometer to quickly grasp the current temperature and direction; When there is no fire in the wild, the fire magnifying glass attached to the whistle can be used to refract sunlight onto withered grass and leaves to make a fireSafety whistle with safety goggles and high white LED. When the whistle cannot be used, use the principle of sunlight reflection to find personnel and explain their current position; Under the premise of no light on site, the emergency lighting system and LED bulbs can have a lifespan of up to 10 hoursStandard high decibel survival whistle, high-frequency, can provide up to 000 decibels of sound, enough to be heard from a mile away. In emergency situations, you and your whistle will be easily detectedstandard:Weight: 120 grams.Features: whistle, compass, thermometer, magnifying glass, reflector, LED light, storage box.Size: 45.10 * 8.4 * 5.2 cm.Material: ABS high-temperature resistant material. Color: As shown in the picture Packaging content: 1 * Whistle Attention: Due to manual measurement, please allow for a slight error. Please make sure you don't mind before bidding. 2. Colors may vary depending on the monitor, please understand. Hello, please pay attention to your shipping address when purchasing products. If your delivery information (such as name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly