Ucharge Fairy String Light, Led Christmas Light Plug in Warm White 200led 30V 8 Modes Patio Backyard Christmas Wedding Party Indoor Bedroom String Lights 72ft (No Battery Needed) Energy Efficient: a 72ft fairy string lights with 200led on,with high electric energy convert rate, no heat energy consumption. Energy saving and safe for using Easy to Use and Memory Function: string lights plug in and unplug it for power on and off( No battery needed ). US standard, voltage 30V, with just one button for modes switch. Remember last setting after unplug it for power off 8 Modes: combination, in waves, sequential, slogs , chasing/flash, slow fade, twinkle/flash, and steady on Led Christmas Lights: great for party, wedding, home, window, bathroom, festival, Holiday, shows, restaurant, hotel, commercial building, shopping center, shopcase, pub, club, concert, hall, cabaret, fashion show, dance, stage, etc. Bedroom String Light with Warranty: email us freely if with any problem, we offer 1 year warranty.