==EASY TO INSTALL== Set up and installation within seconds. Just affix the hanging chain and press the power switch to immediately brighten up your shop-front window, even through tinted glass. You can choose between two modes: static and blinking. The led sign is design for indoor use only. ==QUALITY MATERIALS== Made using high-quality materials to provide a better product with a long-lasting life. ==TWO LIGHT MODES== Open sign board has Flashing and Static light to meet different needs ==EYE CATCHING== Led signs are ultra bright and striking. The LED sign would attract lots of customers. Outshine your competitors with this lighted board and get new and returning shoppers to your business. ==SATISFACTION GUARANTEE== If you have any issues with this LED sign at all, you can Return it at any time for a FULL REFUND, No Questions Asked.