ABS, Aluminum and zinc die-casting structure 

For outdoor announcements of public facilities - Airports, Harbors, Centers, Buildings, Factories, Schools, Civic Centers and Recreational facilities

High durability, IP rating acquisition greater than the recommended level by the European Standards (IP65)

Environmental test certification - High temperature, low temperature, dustproof and waterproof certification

Easy installation - Use of brackets to install on ceilings, walls, buildings, and structures