?Have to Plug-in?It's NOT battery operated. It must work with 5V/2A power adapter and 11.5 feet cable cord (included). There's a memory battery inside so it will remember your setting even it's disconnected. ?Suitable for different places, people?It fits perfectly for living room, garage, office, warehouse, classroom, farmhouse, gym, kitchen and any other places. Ideal gift for family and the elderly. ?Auto DST & Auto Brightness?It will automatically change DST time in March and November. You don't have to remember to change the time anymore. Also, it's preset a light sensor to change its displaying brightness, make it comfortable for human eyes at any time. ?Do both for Wall Mounted and Desktop?It can be hung on the wall or just elegantly stand on the desktop. Operate through remote control. ?Modern Night Light?With the night light at the bottom, it will provide a warm atmosphere for your living room. It can also light up the room so that you don't need to turn on the light when you go to toilet at night. ?16-inch Large Colorful Display?Width: 15.35 inches. Height: 5.11 inches. It has a 16" large screen, with up to 8 colors, including 4 pure colors and 4 RGB colors. Allow you to read clearly from any angles, far distance. Especially user friendly for the elderly. It's also a nice decorative stuff for your room.