What type of siren packaging is designed to save installation time?

The type of siren packaging that is designed to save installation time is the self-contained siren. This design integrates all necessary components into a single unit, which simplifies the installation process. With the siren being self-contained, there are no additional components, such as separate amplifiers or control units, that need to be installed separately. This reduces the complexity of the installation, minimizes the time required, and often leads to fewer installation errors.

Self-contained sirens are particularly advantageous in scenarios where quick deployment is essential or where simplicity is desired. Their all-in-one nature allows for straightforward mounting and wiring, making them a popular choice for those looking to expedite the setup of alarm or alert systems. Other types of sirens, such as modular or external sirens, may require more intricate installation processes since they often consist of multiple parts that need to be configured and connected correctly.