RF Remote Control Units - Click on Part No. to View Dwgs Part No. Description 1660-4F 4 pin QAS switch, RF remote, no pull hardware, Red LED 1660-4FA 4 pin QAS switch, RF remote, no pull hardware, Amber LED 1660-4FL 4 pin QAS switch, RF remote control, Left hand, Red LED 1660-4FLA 4 pin QAS switch, ...