String Fairy Lights : LED light decorates your wall, fence, front path or porch, creating a horror atmosphere. Halloween decoration for indoor or outdoor use^2 Function Modes: 10ft/ 3m length for each string, which comes with 20pcs LED bulbs when glow can create atmosphere; The Halloween lights work in 2 modes: steady and flashing^Battery Operated: The Halloween decoration lights require AA batteries (not included), which can last about 30 hours. For safety reasons, please use alkaline batteries or rechargeable batteries, otherwise inferior batteries may affect the quality of the electronic panel and the service life^Wild Usage: These string lights can be hung in the garden, patio, lawn, porch, gate, fence, yard or any corners of your room to scare your visitors this Halloween^Safe: These Halloween battery lights operate on low voltage and will not overheat after long-term use (silver-plated copper wire, longer service life). Caution: Do not soak the battery box in water