Rechargeable Battery Light String - The String Light Is A Rechargeable Battery Box. You Don'T Need To Buy Batteries Separately, No Need To Connect Cables Built-In 2000Mah Battery To Meet Constant Light. The String Lights Can Be Recharged And Reused. This 200 Led String Lights Is 20M Long, Sturdy And Thin String Lights Made Of Very Flexible Copper Wire. , You Can Adjust The Modes. Adjustable Brightness For Easy Lighting Operation: Turn On/Off, Change Lighting Mode. 200 Led String Lights (Combination/Steady Light/Flashing/Blinking/Off, Etc.) For A Romantic Lighting Effect. The String Lights Have Three Timer Functions: 2H, 4H And 6H. Ip65 Waterproof String Lights: The Copper Wire Part Is Waterproof With Ip65, Fully Waterproof, Can Be Immersed In Water, You Can Even Use The Rechargeable Light String Even Outdoors (Rechargeable Battery Box Only Ip44). The String Lights Are Designed For Indoor And Outdoor Use. 200 Led Warm White Light Creates A Happy And Festive Atmosphere For Your Family. These String Lights Are Rechargeable Battery Boxes And Have Low Heat Emission, Allowing The Lights To Stay Cool After Hours Of Operation. The String Lights Is The Built-In Battery Can Be Recycled After Charging Via Usb, And The Charging Voltage Is 5V. Indoor/Outdoor String LightsEasy To Diy. The Led String Lights Are The Ideal Choice For Home Or Garden Decoration. You Will Find This String Light Perfect For Your Parties, Weddings, Celebrations And Gatherings Of Family And Friends.