US Standard Charger Adapter Specifications: Length: 12M/40ft Qty: 120LEDS Wire Color: Silver Wire CR2025 battery for remote (include) Control range: 9-16ft/3-5M Package Includes: 1X 120 LED String Light 1X Remote 1X Adapter 1X User Manual Input: 100-240V, 50/60HZ, 0.25A Output: 5V, 1A USB Fairy Lights Plug In How to use the remote: Please take off the plastic on the remote battery before using it! Please aim the remote at the USB receiver to use! Please try to change batteries, if the remote doesn't work! Timer Setting There is a "timer" key on the remote control, when you press the TIMER key, there will be a light on the USB port. Different colors of light mean different periods. Red Light: 4 hours on, 20 hours off Green Light: 6 hours on, 18 hours off Blue Light: 8 hours on, 16 hours off You need to reset the timer if you press the off button or shut off the power. The lights will auto turn on and off every day after you set the timer. One remote can control multiple string lights.