💡【750LED Christmas Tree Lights】750 bright LED lights with 49.2ft/15m cable length add 16.4ft/5m power cord, is totally 65.6ft/20m. The bulbs are set 0.7ft/2cm apart to ensure that you get a full festival glow over this Christmas period. The dark green copper wires can be totally invisible on trees, plants or any dark background. It will merge with the background and highlight the beauty of the lighting. 💡【9 Lighting Modes & Colour Changing】 It has 9 modes including: Warm & Colour Combination, Warm Steady On, Warm & Colour Sequential, Colour Steay On, Warm & Colour Twinkle/Flash, Warm Slo Glo, Warm & Colour Breathing, Colour Slo Glo, Warm & Colour Slo Glo. And the colour could be changed from warm white to multicolour. Different settings are very easy to change and create different and multicoloured holiday atmospheres by the power button on the 3 Pin UK Plug or remote control. 💡【Timing & Memory】 This mains powered light can be set for 6-hour on and 18-hour off when you press the “TIMER” button, which avoids the trouble of forgetting to turn off the lights and being too lazy to do so. And once the mode selected, the light will work in this mode next time and you don't need to worry about re-set until you unplug the power. These functions could let you better enjoy warm and romantic ambiance with your lover or family. 💡【IP44 Waterproof & Widely Used】 Fairy lights are designed to withstand low-pressure water jets, perfect for indoor and outdoor use, like garden, Bedroom, windows, wedding, home, patio, balcony, fence, gazebo, pergola, wedding and so on. 💡【Safe to Use】Our string lights are highly protective operated by 31V (transformer’s output voltage) and 3V (each LED’s voltage), which are energy-saving and will not overheat. So in such cheerful festival atmosphere, you don't have to worry too much because they are cool to touch and safe for your children and pets. And they can give the brilliant illumination without upsetting your eyes, perfect for family with kids and pets.