General description Brighten up your home this Christmas with the 400 LED 40m Premier Outdoor Christmas Lights in Cool White. These battery-operated lights are perfect for adding a festive touch to your indoor and outdoor spaces all year round. Technical specifications Length: 40m of lit length Spacing between bulbs: 10cm Cable length from plug to first bulb: 0.3m Power source: Requires 3 x 'C' batteries (not supplied) Energy-efficient ECO friendly LEDs - save up to 90% on energy costs Compatibility and accessories Battery operated, requires 3 x 'C' batteries (not supplied) Installation Easy to use built-in timer function: 6 hours on / 18 hours off Green cable blends easily into most Christmas scenes Usage Choose between 8 functions: combination, in waves, sequential, slow glow, chasing/flash, slow fade, twinkle/flash, steady on Includes a memory chip to remember the previously used setting