Using this LED surveillance notice sign is a breeze. First, find a visible spot inside your business to install it. You can use the included mounting hardware and 25 - foot extension cable to set it up quickly. Just connect the power supply and turn it on. Remember, this sign is for indoor use only, so don't place it outside. For maintenance, you don't need to do much. The LED lights have a long lifespan of up to 50,000 hours, but if you notice any issues with the lighting, check the power connection first. You can clean the sign with a soft, dry cloth. If you want to add some extra attention - getting effect, you can purchase an additional flash module.