This mains operated warm white string light set is perfect for dressing 7ft tree's. Warm white LEDs are spaced approximately 2.5cm apart on a green cable. Multi action (including memory), with a 8 hours on / 16 hours off timer function that can be deactivated. Activate the timer by long pressing (5s) the button on the transformer, this will turn green when the timer is active. Short press the same button to switch between functions; in waves, sequential, slo-glo, chasing/flash, slow fade, twinkle/flash and static. Energy efficient LEDs are cheaper to run in comparison to halogen bulbs. 3m lead from the UK 3 pin transformer to the first bulb. Suitable for both indoor and outdoor use, IP44 rated transformer must be kept dry at all times. Brighten up your home this Christmas!