With the Flashing Garage Parking Signal , you don't need to drive into a wall to know when you're parked. This car parking aid lets you know when your car is in the right place. The eye-level stop sign lights up the instant your vehicle touches the 44" tall post. Using a flashing parking signal will help you complete a perfect parking job every time! Features: No more run-ins with garage walls Flashes with twin LED bulbs when bumped Easy assembly-- no tools required Availability: Allow approximately one business day for Garage Parking Signal to ship. Type: Home Accents Color/Finish: Multi-Color