SB-CD-RD,wireless CCT Adjustable & Dimmable panel Light can support 100ft as remote control distance, control a single panel or whole floor with one handheld remote control or wall remote control. Communicates through walls with the radio frequency (RF) of 2.4GHZ, LED Luminaries, utilizing an aluminium frame, 0.31″ ultrathin side emitting design and high transmittance light guide plate, provides uniform light distribution with colour temperature consistency. All size options are both energy efficient and aesthetically pleasing. The SB-CD-RD LED series was designed for offices, hallways, general area lighting, conference rooms and lobbies.