1. The Xmas window silhouette lights with suction cup, total 30 multicolor LED bulbs, no harm to wall, You can place the lighted Christmas window lights ornaments wherever you want to brighten your Christmas night for your family. 2. The window decoration light comes with a suction cup, which can be easily installed on glass, gates, cabinets, etc., and the height can be adjusted according to the fixed position and press the ON/OFF button on the battery compartment to turn on/off the lights (Lighting Mode: Steady on).make sure that the suction cup is clean before installation, adding appropriate water to increase the adhesion. 3. Christmas silhouette lights decoration with hooks can be hung on door, porch, hallway, balcony, roof edge, bedroom, mantel, hearth, centerpiece, Christmas tree, garland, garland, railing, handrail, hallway, deck, patio, bar, Bistro, Cafe, Bar, Restaurant, Shopping Mall, Office, Private Car. 4. It is the choice for Christmas and winter, and the gift for friends and family