Operating environment: the temperature is higher than 0 degrees Celsius, less than 35 degrees Celsius, and the direct surface temperature of the hot sun is less than 45 degrees Celsius. It will greatly shorten the service life of this product when used in a strict environment.
This product is waterproof, but acid rain, oil, sand storm, and other harmful weather will reduce the service life of the product.
Please fully understand that this is a product for advertising. Please do not use it in place of any other products, especially disaster prevention products, safety protection products, auxiliary tools for transportation, etc.
When used in places with wind speeds above grade 4, there are certain safety risks, and the service life of the product may be greatly shortened.