The TrolMaster Aero-Fan Smart Fan Remote (FRC-1) lets you easily control your AeroFans with advanced day and night settings. Featuring a built-in photocell sensor, intuitive knob, and a clear LCD display, the FRC-1 allows you to customize fan speed and swing modes for optimal ventilation. Seamlessly manage group control of multiple ventilation fans and set different power levels for daytime and nighttime operation. Perfect for grow rooms or greenhouses needing precise climate control. Includes ECS-9 cable for quick installation.