Premier Decorations Multi-Action Cluster Christmas Tree Lights with Built in 8 Hour TimerTurn the lights on once and they'll come on at the same time every day and stay on for 8 hours. Alternatively, you can de activate the timer and just use them as ordinary lights8 function multi action controller complete with memory chip so the lights remember which setting they were on when you turn them off and come back on with the same settingCluster lights have multiple lights in close succession to give a stunning garland effectSuper bright low energy LED lights. Mains powered with low voltage transformer with 3 pin plug - 10m lead wire from the plug to the first lightAvailable sizes:480 LED sets have 6.2m of lit length from the first bulb to the last with another 10m from the plug to the first bulb720 LED sets have 9.3m of lit length from the first bulb to the last with another 10m from the plug to the first bulb960 LED sets have 12.4m of lit length from the first bulb to the last with another 10m from the plug to the first bulb2,000 LED sets have 25m of lit length from the first bulb to the last with another 10m from the plug to the first bulb