Premier Decorations Multi-Action Cluster Christmas Tree Lights with Built in 8 Hour Timer Turn 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 lights 8 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 setting Cluster lights have multiple lights in close succession to give a stunning garland effect Super bright low energy LED lights. Mains powered with low voltage transformer with 3 pin plug - 10m lead wire from the plug to the first light Available 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 bulb 720 LED sets have 9.3m of lit length from the first bulb to the last with another 10m from the plug to the first bulb 960 LED sets have 12.4m of lit length from the first bulb to the last with another 10m from the plug to the first bulb 2,000 LED sets have 25m of lit length from the first bulb to the last with another 10m from the plug to the first bulb