Required control for Signature Series TWH to utilize its four-conductor design (to set color and brightness independently), and the recommended control for Design Series TWH
For Signature Series TWH, requires two UNV drivers (use non-dim), and either one Casambi CBU-A2D for wireless control, or two hardwire wall dimmers for wired wall control (one for brightness, one for CCT), such as the following Lutron units which are easily obtained via many sources such as electronics distributors.
For Design Series TWH, requires one UNV driver (use non-dim), with either one Casambi CBU-A2D for wireless control, or two hardwire wall dimmers, same as per above.