lyt 120LED Battery String Lights WW, Plastic, 80 Led Cool White 155.609UK. Create a warm elegant glow in your home, garden or party venue with these battery powered LED string lights. 8 programmed sequences and easy access weatherproof battery box. Switching the lights on triggers an operating cycle with 6 hours on and 18 hours off allowing the lights to automatically come on at the same time each day, whilst remembering the chosen sequence. The high quality LEDs have a long lifespan and are energy efficient making them ideal for indoor and outdoor use.