Battery-powered Halloween lights - Our Halloween lights and window decorations are powered by 3xAAA batteries (please prepare them yourself). Halloween decorations provide 8 hours of continuous lighting to that this Halloween decorative lamp stays lit during the most active period. Widely used hanging lights - our Halloween party lights are very suitable for indoor and outdoor use, and can be easily placed in , walls, front doors, bedrooms, balconies, decks, porches, trees, gardens, fences, etc., to add of bright color to your home. Proper size ensures that they stand out without flooding your decorative space. Sucker window lamp - Our LED window chandelier is simple in design and widely used. There are suction cups and hanging holes on the back of the battery box, which can be easily installed or placed on various surfaces such as glass, doors, cabinets and walls. These two designs increase convenience and flexibility in different situations. Halloween window decoration - use our Halloween window lights to enhance your Halloween decoration. Each lamp is in the shape of a spider. The LED lamp adds a chill to your Halloween-themed window and adds a Halloween atmosphere to your home and party. Instructions - Wipe the of the suction cup with a damp cloth, then that the of the window is clean and wet, press the suction cup against the window, and add a proper amount of water to the suction cup to increase the adhesion. But if you want to use them on rough surfaces, you can use some adhesive tape to stick the suction cups.