Recalled controllers were sold between July and November. More than 40,000 Christmas tree light controllers sold at several major retailers that can be used to operate tree lights wirelessly have been ...

If you're using a wireless Christmas tree light controller this holiday season, you'll want to make sure you're not using one of these newly recalled models. Corin Cesaric is a Flex Editor at CNET.

How the first Christmas tree lights were designed and utilized. Learn about the technology involved in creating the display. How a campaign brought Christmas tree lighting to the masses. It had only ...