GE 100-Count LED Novelty Multicolor 477582 LED Super Bright Tear Drop Christmas String Lights ENERGY STAR 100-Count LED Novelty Multicolor LED Super Bright Tear Drop Christmas String Lights ENERGY STAR Replaceable, cool to touch and break-resistant ConstantON set stays on even if a bulb becomes loose Can connect up to 20 sets 20,000 hour average life