This is the Bright Source 24w 600x300mm LED Panel light panel that is suitable to be installed in all recessed applications. This super bright LED panel has a high lumen output of 2160 lumens and offers users a 37.5% energy savings. This panel is complete with self-testing emergency back up including Liteplan emergency module, 3 cell battery & green EM LED indicator. Self-testing emergency lights check themselves automatically to ensure the battery and lamp are fully operational to safety standards. The self-test feature replaces the manual tests carried out monthly or annually. The panel emits either a warm white, cool white or daylight colour (selectable in the drop-down menu) - 3000k/4000/6000K and has an average life of 50,000 hours. We offer a 5-year warranty on every panel for your peace of mind so in the unlikely event of a failure we will replace like for like any faulty components or the full panel & driver. TRIAC Dimming otherwise known as phase-cut dimming, TRIAC dimming act