4 Packs of Instahibit 12W LED Lights are designed to install on banner stands for illuminating advertising graphic Features 2 bendable arms with maximum adjusting angle of 60 degrees Made of aluminum alloy for ensuring sturdiness and good heat dissipation, it provides a 20,000h lifespan Clip-on design for mounting the light on the bar of stand; 15 11/12ft power cord for display stands of different heights Suitable for display stands, advertisement boards in trade shows, exhibitions, fairs, etc.