The Premier 400 Led Battery Operated Timelights - WARM White, Offers A Clever Christmas Lighting Solution For Both Indoor And Outdoor Use. They Use Super-Bright, Energy-Efficient Leds Which Are Long-Lasting And Durable. Fitted With An 8 Setting Multi-Action Controller With A Built-In 6 Hours On/18 Hours Off Timer. These Lights Require 3 X C Batteries (Not Included). They Are Also Available In Warm White And Multi-Coloured.