Four times as many LED's as normal lights, each one is just 2.5cm / 1" apart so you tree will really sparkle MULTI -ACTION : simply press a button on the controller to cycle through over 8 different flashing patterns, or just press once for always on INDOOR / OUTDOOR : Can be used anywhere and the cable from the mains plug to the first light is 10m! TIMER FUNCTION : 8 Hours on 16 Hours off Mains Powered 2000 Lights - Total length of lights 50m + 10m from first light to mains plug - Ideal for 2.7m (9 Foot) Tree 1500 Lights - Total length of lights 37.5m + 10m from first light to mains plug - Ideal for 2.4m (8 Foot) Tree 1000 Lights - Total length of lights 25m + 10m from first light to mains plug - Ideal for 2.1m (7 Foot) Tree 750 Lights - Total length of lights 18.7m + 10m from first light to mains plug - Ideal for 1.8m (6 Foot) Tree