This light can be personalised with a name up to 12 characters. This LED light can be operated by battery or the provided USB cable. Please do not use a lightning USB cable as this may interfere with the functionality. This item requires x3 AA Batteries if not using the USB cable. Batteries are not included. This light is colour changing and can be changed with a simple touch to the base. The colours available are Red, Green, Purple, Lime green, Light blue, Purple, White Light. These can be set to change constantly or have one specific colour.