The WWDC Wireless Wall Damper Control eliminates overheating or overcooling in a space, and reduces the wasted energy heating and cooling unoccupied spaces. The WWDC controls a modulating zone damper that adjusts the amount of airflow to the space anywhere from 100% to 0% for optimum comfort and energy savings. 
Very simple to use.
Battery powered.
Requires no wiring in the living space.
Installed on any wall using the provided hardware.
Communicates wirelessly to the R80DWL Damper - 100 foot wireless range.
 
Compatible Dampers
R80DWL Unsealed Wireless Damper or 
R80DWLS Sealed Wireless Damper
Damper Sizes - 6" to 20" diameters.
Damper Shell - Spiral wrapped 24 ga galvanized steel.
Damper Blade - 20 ga galvanized steel.
Power - 24VAC or 24VDC. 2.8VA operating and 1VA holding. 2 wire connection to separate 24VAC 40VA transformer or to the R and C equipment terminals. One transformer can power up to 6 dampers.
Output Torque - 80 in-oz.
Operation Time - Fully opens or fully closes in approximately 3 seconds.
LED Indicators - Green LED indicates fully open. Red LED indicates fully close. Blinking Green/Red indicates a position between open and closed.
Multiple dampers can be used to define a zone.
Operating Temperature - -20 to 175 degrees F