Before using, it's better to use hot water soak the suction for minutes and dry it. Keep the window clean and keep it wet. Then the suction will keep tightly.đChristmas Window Lights Decoration - With classical Jingle Bell & Christmas tree & Star or Snowflake & Elk & Star design, those lovely and beautiful silhouette lights can create a warm feeling and festive atmosphere during your Christmas holiday. âHang It Anywhere - Each window decoration lighted comes with a suction cup. No tools needed! Just install them on glass, gates, cabinets, etc. Please wipe the window or other smooth surface before installation in order to hang it firmly. What's more, each pack provides with bonus 3 clear adhesive hooks, preventing falling with strong concealment. đBattery Operated for Easy Use - Those hanging window lights are powered by 3 AAA batteries (NOT INCLUDED). Refusing limited power cord or USB plug. 6 hours ON 18 hours OFF timer function in cycle is energy-saving, and you donât need to set it up everyday. Just press the button to control on/off. âIndoor & Outdoor Application - These Christmas lights' battery box with an IP44 waterproof rate, even on little rainy days, stars can flash outdoors, very convenient and safe to place anywhere. You can use it to decorate Christmas trees, fireplaces, homes, bedrooms, windows, doors, cabinets, hallway, pub, bistro, cafe, restaurant, showcase, private cars as well. đBrighten Your Christmas Night - Each lamp is respectively composed of 10 warm white LEDsďźSnowflake has 12 LEDS), a total of 30/32 LEDs, with excellent lighting effects. Hanging those LED starlight on your window or door, it looks like twinkling little stars in the night sky, very lovely, unique, and joyful. Best Christmas window lights. 3Pcs Christmas Window Lights, Christmas Window Decorations Battery Powered Hanging Christmas Lights Christmas Tree & Jingle Bell & Star Shaped with Suction Cup for Xmas, New Year, Party,Indoor Decor