Convenient Timer Function & 8 Modes & Memory Function: The button is at the end of the plug to turn on/off the timer function, press the button for few seconds till the green light on/off to turn on/off the timer function and switch 8 modes (combination, in waves, sequential, slo glo, chasing/flash, slow fade, twinkle/flash, steady on). This fairy lights could remember the setting of previous night you set 【Stronger Wire Christmas Lights】 These Christmas string lights feature 200 LEDs, spaced 0.4ft apart, with a total length of 66ft, which is enough to encircle and decorate your living room or a 7.5 ft Christmas tree. The upgraded super-bright LED bulbs emit 360 ° light, which is soft and non-glare, adding a romantic atmosphere to Christmas and other holiday decorations. 【Attentive Storage Wheel Design】Our Christmas string lights added a storage wheel design, which can effectively prevent Christmas tree lights from getting tangled when unfolding a few feet, and is very easy to organize. You can easily use them again next Christmas or a party! 8 Lighting Modes and 4 Adjustable Brightness】 Christmas tree lights have 8 different lighting modes: Waves, Combination, Fading, Fireflies, Chasing, Twinkle, Fading slowly, and Steady-on. Simply control the different lighting modes by remote control to create different joyful atmospheres for Christmas, birthday parties, family dinners, or weddings, indoor and outdoor use! There is also a 6-hour timer function and, memory function. 【Safety & IP65 Waterproof】Our Christmas lights have passed the authoritative UL588 safety certification and IP65 waterproof certification. Each LED bulb is filled with a hot melt adhesive layer, anti-freezing and IP65 waterproof can ensure a longer service life, no need to worry even in heavy rain or snow outdoors (Note: the plug is not waterproof). The output voltage is 30V, which is within the range of human body's safe voltage, no danger of electrocution. 【Packing List】Christmas lights include 1x 600 cold white LED string light, 1x storage wheel, 1x plug, 1x remote Control, instruction manual, and 12 months after-sales service. Christmas lights are widely used in patios, walls, roofs, gardens, lawns, porches, restaurants, classrooms, commercial buildings, shopping centers etc.