SIGNATOM CHICAGO TNP SIGN LIGHT: 4 X 4 inch sign, built-in rechargeable battery. 

At the end of your shift, you can remove the sign from its holder and recharge it using the included USB cable that plugs into your phone USB adapter or the USB port in your car.

It glows at night so you can show that you are authorized to provide transportation services within Chicago's airport.

NO BATTERIES NEEDED ! It is powered by rechargeable battery.

INSTALLATION IS EASY AND QUICK - Place this lighted panel in the windshield or rear window.

INSIDE THE BOX:

One TNP + CHI sign, Lighted part is 4 x 4 inch, while the casing measures 4.75 inch.

Built-in rechargeable battery

Windshield adhesive holder

USB cable for recharging