This Warning Stick is a great solution for rear back deck lighting. Also perfect for installation on front headliners, mounting in your grill or anywhere else you see fit. It is a very low profile unit, which emits super high intensity lighting using Generation III, TIR Technology. The Traffic advisor come standard with 2" Brackets, suction cups, and can sync more than one unit together. They are syncronizable with or without the cigarette plug and can be hardwired to your own switch box as well. They are 100% Waterproof and can be used for interior and exterior use. Vibration, moisture, and corrosion resistant, the unit is built for heavy duty use with out hurting your wallet.