Markertek - The Future of Broadcast Supply

Call 800-522-2025
M-F 8:30am - 7pm EST

Free Shipping Promo Box

FREE SHIPPING No Minimum Order!

SHOP MARKERTEK EVERYDAY for all of your needs. Free shipping on almost every order placed on our website.
Special order & oversized freight intensive items ship at an additional cost. Continental US orders only.
Ask about our new Economy International Shipping Options.

Secure LoginClose X

Returning Markertek Customers

New Markertek Customers

Why Create an Account?

Creating a Markertek account now will save you time on future orders. You'll have full access to your order history and a personalized shopping experience.

Horizontal Studio Warning Light - On-Air in Gold Lettering
    Questions? Ask a Markertek Expert:
    800-522-2025 Email

    Horizontal Studio Warning Light - On-Air in Gold Lettering


    Item #: TWL-5   •   MFG #: TWL-5



    Lettering Colors:






    Required Accessories

    Elegant 8.5" x 4.75"H x 2.5"D, Solid Oak box with gold or silver colored accents. Message blacks out when not flashing for extra high-tech effect. Uses low voltage 24VDC lamps for class 2 wiring, eliminating need for 24 to 110 volt relay interface boxes. Uses 4 lamps wired in parallel preventing total failure.

    Requires LPL-PS power supply. (Not included.)


    Add Accessories for your TWL-5:



    Continue Shopping View Cart