【Connectable Christmas Lights】The led Christmas Lights are 90ft in total length, with 80ft of strings containing 240 LEDs and 10ft of lead wire. Each string light indoor has end-to-end connections, up to 4 sets (320 feet) can be connected to illuminate a larger area. Ideal for decorating Christmas trees, bedrooms, patios and gardens. 【8 Different Lighting Modes】These st patricks lights outdoor feature 8 lighting modes: combination, in waves, sequential, slo-glo, chasing/flash, slow fade, twinkle/flash, and steady on. Simply press the round button on the adapter to select your favorite mode. Perfect for creating a festive atmosphere and lighting up every corner with cozy, warm lights. 【IP65 Waterproof Outdoor Decoration】With IP65 waterproof design, the Christmas tree lights can work properly in windy, rainy and snowy weather, suitable for year-round use. Perfect for Christmas, Halloween, party, wedding, birthday, yard, roof, door, restaurant, shopping center, stage decorations. But please keep the adapter away from water. 【Timer and Memory Function】Long press and hold the round button until the green light on, and then you can set the timer. The string lights for outside will automatically turn on for 6 hours and off for 18 hours per day, saving you electricity bills. Additionally, the memory function will intelligent remember your last mode setting, no need to reset each time. 【Energy Saving LED Christmas Lights】This plug in twinkle light is UL safety certified, and the low 29V voltage ensures low power consumption and low electricity bills for the LED lights. The green wires string lights blend in with the natural environment during the day and are ideal for decorating Christmas trees and wreaths. 1