ER CHEN(TM) 8 Lighting Model Indoor and Outdoor Waterproof Battery Operated 200 LED String Lights on 66 Ft Long Ultra Thin Copper String Wire with 13 Key Remote Control(Green) 200 Super Bright LED: 200 blue LED bulbs on 66 ft high quality copper wire. They will light up your patio or garden and add joyful atmosphere to your party and holiday. Battery powered Starry Lights: 6 AA batteries(not included) are required to power the light. Fresh AA batteries can last more than 5 days with continuously STEADY ON mode. Using Timer mode(6hr on, 18hr off) , they will last for more than 2 weeks. 8 Selectable function Modes: 8 modes include Steady on, slow fade, twinkle, wave, Flashing, chasing and so on. With 13 keys Remote, you can easily turn on/off the light, changing modes, adjusting the brightness and setting the Timer. High Quality Copper Wire and IP65 Waterproof: The 3-Strands Copper Wire structure makes this firefly light more durable and flexible. It can be easily bended and shaped around almost anything. It also can be used indoor or outdoor freely. The wire parts of the string lights are fully sealed, can working under the water; the battery case has IP44 waterproof level, can working outside, but cannot sink under the water. Certification and Warranty: With the CE and FCC certificates, the safety of the lights is guaranteed. We also provide 12 monthswarranty. If you are not satisfied with the product, please don't hesitate to contact us at any time, we'll try our best to solve your issue.