PORTABLE & WATERPROOF & SAFER: No need for sockets, our battery power string lights work with 3 * AA batteries (Not included). You can use them anywhere! The battery pack has a seal strip to prevent soaking, so worry about rain or snow getting into the battery pack! These battery power string lights are also safer than plug-in string lights. 8 MODES WARM WHITE CHRISTMAS LIGHTS: There are a great variety of lighting mode options. You can decide how the 100 LED warm white Christmas lights shine: Combination,In wave,Sequential,Slo glo,Chasing/Flash,Slow fade,Twinkle/Flash,Steady on TIMER & MEMORY FUNCTION: Timer(6 hours on, 18 hours off) and brightness settings provide a perfect solution for your Christmas Decoration management issue; Memory Function: Once the mode is selected, the battery power Christmas lights will work with this mode until the battery is depleted. No need for resetting every day FLEXIBLE & BRIGHTER: Battery mini lights are made of waterproof and insulating clear wire. It's so flexible that you can DIY any shape. Our unique LED technology provides a steady 360 viewing angle: the twinkle lights battery operated illuminate every direction. Shinning LEDs are super bright and pretty, looks like twinkling stars WIDELY USED & EXCELLENT ATMOSPHERE: We hope you like these awesome warm white Christmas lights. Battery operated string lights are also very suitable for decorating your Fireplace, Bedroom, Wreath, Camping, Tent, Wedding, Backdrop, Party, Patio, Garden, Yard, Porch, Christmas Tree...... If there is any problem with our outdoor battery lights, feel relax to contact us, we are always here 24/7 Battery Operated String Lights with Remote, 33FT 100 LED Christmas Lights Waterproof Outdoor Indoor (Warm White)