GE LED Christmas lights are mains-powered (no batteries). Many product listings note that replacement bulbs and fuses are included.
Some listings advertise up to 80% energy savings. Several GE LED string descriptions also state the lights will continue to operate even if a bulb is burned out or loose.
Several products include a remote or control box for selecting colors and modes. Examples in the listings: a tape light with a remote offering 7 colors and 8 functions, and color-change strings with a control box to choose multicolor, warm white, or light-show settings.