M4F modular signal tower light
1. - Modular design, user can add or remove modules freely.
2. - Lighting mode and buzzer mode can be changed by user. Flash light, steady light, buzzer off, full volume buzzer, low volume buzzer can be implemented by DIP switch.
3. - Three kinds of bases are available, easy to install.
4. - DC12V, DC24V, AC100-240V are optional, and modules are universal for all models.