Waterproof & Portable: With the small IP67 waterproof battery box(2*2.7inches), you can easily carry and place the led moon lights(NON PLUG-IN) anywhere you like(batteries not included). Timing Function: To avoid forgetting to turn off the lights, you can set timer, the fire lights will be 6 hours on and 18 hours off per day. This function help you do a control Easy Operation: With 13 keys Remote Control and 1 button on the battery box, you can adjust the Brightness or switch to in wave/sequential/slo glo/ flash/slow fade/ twinkle/steady Wide Application for Indoor /Outdoor: These fairy lights are waterproof and perfect for spicing-up your decor or setting the mood for Christmas,Thanks Giving Day,Halloween Parties. Great for use in a restaurant or small business. Guaranteed with CE certification: If you are not satisfied with the product, please don't hesitate to contact us in any time, we'll try our best to solve your issue. Color: Cool white Battery Powered String LightsSpecifications: Length:5M/16.4ft Qty:50LEDS Wire Color: Silver Color Copper Wire Power Supply: 3*AA battery for the lights (NOT INCLUDED) 1*Li battery for the remote(INCLUDED) Battery case size:3''*2.4''*0.9''/8*6*2.2cm Function Buttons on Remote: * ON/OFF: Turn on/off * DIM+/DIM-: Adjust the brightness * 1-8: Switch modes * Timer: Timing Function, 6 hours on and 18 hours off per day Package Includes: 4* 16.4ft/50LED Copper String Lights 4* Remote Timer SettingPress the "on" button to turn on the timer, the lights will keep the current mode 6 hours and then auto off.The Lights will auto on at the timer setting time the second day.Turn off the lights to close the "Timer" Function. Remote Distance is 3-5m(9-16ft)."8" is steady mode,1-7 is different twinkle mode.10 brightness level, press the "+" and"-" to adjust the brightness.The Remote is common used for all string lights excepted TL18 and CL1 string lights.If the remote doesn't work, please try to change batteries.