Profile: Win-Trol, Inc. specializes in motorizing system for windows and skylights. Our product line includes required, optional, & replacement controls, and replacement control. Our LC-I control switch kit contains a microprocessor-based motor controller that can be mounted in a standard electrical box with a white face plate. A 24VAC 50VA free-air transformer with a mounting plate or a 24VAC 50VA plug-in wall transformer. The LC-I control switch can operate up to three motors standard motor kits when it is opened or closed, each window moves in sequence to the same position. The independent control of a single window in a group wired to a common LC-I control switch is not possible. The 24VAC 50VA free-air transformer can be used with either a standard motor kit or a skylight motor kit. The alternative plug-in wall transformer can also be used when the free-air transformer cannot be concealed. This transformer is installed so it is open to the air for cooling purposes. It cannot be enclosed or mounted inside of an electrical wall box. Our 24VAC 50VA plug-in wall transformer can be used with either a standard motor kit or a skylight motor kit. The alternate free-air transformer can also be used.