The ad and the box both clearly stated that the product included batteries. The box arrived in bad shape, and there were no batteries. I put the stop signt together and am using it in the garage as designed, but it isn't as effective as I had hoped. There were no instruction included as to opening the battery cover and what kind of batteries to buy, so it is a battery-less stop sign that doesn't light up. I was disappointed in the product and am not likely to shop at overstock.com again, although I used to be a regular customer there.
I wanted something in the garage other than the proverbial tennis ball hanging on a string for parking. This device works, but has room for improvement. The base is heavy and weighted which is nice, but the poles are very skinny so the device "leans" rather than standing straight. It is great when touched and the motion sensor does exactly as it is described. If the poles where a little more substantial, I would have rated this product higher.
My daughter purchased this item for me and put it in place in my garage. I absolutely love it. I'd been using a positioning beam in the garage and often over-shot the beam only to have to back up and re-position the car until the beam was correct. Now, this sign is right in my face as I drive forward and blinks when the auto touches it. I love it.