1 . If don't know how to download APP and match code , DON'T OPEN DISPUTE , please SEND MESSAGE to me , I will try my best to help you . Thank you . 2 . CAN'T work in 110V . Only can work in 170-245V . Description : Power : (20-40W)X4 ，(40-60W)X4 Input : AC170-245V 50/60Hz Output : DC60-130V，DC120-200V 240mA Control : 2.4G RF and APP Control distance : Less than 30m Package : 1 LED driver + 1 Remote Control Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. 【Intelligent LED Driver】This product features an intelligent LED driver with a power range of 20-60W, allowing for efficient and reliable power supply for your LED lights. 【Dimming and Color-Changeable】With the 4G RF and APP control, you can easily dim the lights and change the color according to your preference. Enjoy customizable lighting effects with ease. 【Wide Input and Output Range】Designed to work with AC170-245V input, this LED driver provides stable and consistent output ranging from DC60-130V to DC120-200V at 240mA, ensuring reliable lighting performance. 【Convenient Control】The included remote control and 4G RF technology allow for easy and convenient control of the LED lights. Control distance is less than 30 meters, providing flexibility in installation. 【Package】Each package includes 1 LED driver and 1 remote control, everything you need to set up and control your LED lights.