12 Pack LED Fairy String Lights Battery Operated- 6.9ft 20 LEDs Waterproof Silvery Copper Wire Lights- Flexible Firefly Starry Christmas Lights for Bedroom Wedding Party Mason Jar-Cool White-

Introductions: Total length per string: 2M /6.9 ft Copper wire length:1.9M / 6.5ft Connect wire length:0.19M / 0.62 ft Led Qty per light: 20 pieces Power Supply: 2x CR2032 Lithium Cells (included) Battery life: 48 hours in steady on Space between LEDs : 10cm / 4 inches Package Includes: 12 * 6.9ft/20LED Copper Wire String Lights 4 * CR2032 Lithium Cells (Spare) NOTE: The battery box is NOT waterproof. To change battery, just use a screwdriver to open the battery case and make sure you put the batteries with the correct position.