Connectable LED Christmas Lights: Total length: 23m/76ft, LED string light length: 20m/66ft, lead wire length: 3m/10ft. Red and green Christmas lights come with male and female safety plug, connect up to 5 sets lights, the connectable led string lights are perfect for decorating large areas. | Waterproof&UL Listed: The Christmas string lights come with a safe 29 V low voltage UL certified plug, keep the fairy string lights will stay cool to touch even after prolonged use. Outdoor Christmas lights with IP44 waterproof rated, safe to use in rainy and snowy weather and inclement weather. | Timer&Memory Function: Press and hold the button of the plug for 3s until the green light on, then the timer function starts, 6 hours on and 18 hours off. Christmas tree lights built in memory chip, the memory function will retains the mode you last set for next time. | 8 Lighting Modes: The Christmas tree lights with 8 different modes: Combination, in waves, sequential, slogs, chasing/flash, slow fade, twinkle/flash, and steady on. Just press the button on the plug to adjust the lighting modes. | Widely Application: These string lights are suitable for a variety of scene decoration: Christmas, party, wedding, holiday, balcony, garden, shopping center, etc. We support 12 month after-sales service and provide 24-hour online customer service. If there are any problems, please feel free to contact us.