1. Halloween decoration: The perfect combination of ghost wizard hat and string lights makes you feel like you are in a mysterious horror castle. Along with twinkling lights, this string of lights with smiling faces creates a unique Halloween mood. This is definitely a great Halloween party decoration.2. Waterproof: The Halloween ghost light string is waterproof and can withstand most outdoor weather conditions. It is suitable for indoor or outdoor Halloween decorations. Note: The battery case is not waterproof, please take appropriate protection measures for the battery case.3. Battery Powered: The Halloween ghost light string is powered by batteries, which saves the hassle of often-needed extension cords and can be conveniently and safely placed anywhere.4. Lighting mode: fast flashing, flashing, always on