Illuminate your home or garden this Christmas with these multi function cluster lights by Premier Decorations 960 low power, energy efficient Cool White LEDs are in clusters on a clear cable, easy to blend into most settings Flick through the 8 available functions by the press of a button on the transformer Long press the same button to activate/deactivate the built in 8 hour on / 16 hour off timer function. This is active when the button lights up in green Available functions; combination, in waves, sequential, slo-glo, chasing/flash, slow fade, twinkle/flash and steady on (static) Cluster lights have multiple lights in close succession to give a stunning garland effect ECO friendly super bright low energy LEDs are more energy efficient than halogen bulbs, helping to save on energy costs Suitable for both indoor and temporary outdoor use. Transformer must be kept dry