Product details of USB LED String Lights Fairy Garland Remote Control 8 Mode 5M/10M/20M Copper Wire Lamp For Christmas Wedding Party Garden Decoration Specification LED quantity: 50pcs/100pcs/200pcs Length: 5 meter/10 meter /20meters Supply voltage: 4.5V Working Power: 5w-8W Lead Material: Copper wire Waterproof:IP65 Led Color:Warm white / white/Multicolor Power:USB Powered Remote Controller Battery : 1pcs CR2025 ( Included) 8 Mode 1.Combination 2.In wave 3.Sequential 4.Alternant 5.Chasing/flash 6.Slow fade 7.Twinkle/flash 8.Steady on TIMER:Time control,turn on 6 hours and turn off 18 hours circularly everyday DIM-: darken DIM+:brighten Note : There are two Option in this link , Please choice the option according to you want,Tks Option1 : Long Brightness (No 8Mode, No Remote Controller) Option2 : 8 Mode (With 8Mode, With 13Key Remote Controller)