Patlite hsst-3m2-ryg 3-in-one manual control signal tower kit, red amber/green light, dc24v patlite’s new wsst control box is the latest product that offers an exciting all-in-one functionality as well as remote operation capability to meet the growing needs of more than just the manufacturing industry. features: universal manual control box forpatlite visual alert led light towers accommodate up to 5 leds (red, amber, green, blue and clear/white) optional sound alarm available (must purchase fb type) each light module can be manually configured for “steady on” or “flashing” (must purchase fb type) sturdy metal construction with 6 color coordinated push buttons various configurations available including all in-one and remote mounting capabilities very easy setup and operation. All necessary components are included in the package