Firefly Timer Lights | P051904 200 LEDs Cool white lights Multi-action controller 8 settings Timer Indoor and outdoor use Battery operated (3x AA not included) Lit size: 5.17m Festive 200 Battery Operated LED Firefly Timer Lights - White | P051904 Add a touch of magic to your indoor or outdoor space with these 200 Battery Operated Firefly Timer Light. Every second light flashes to create a twinkling effect. These lights are easy to install and require 3 AA batteries, which are not included.