1.HEEBER Lighting Group is the pioneer and leader in LED Panel Light & Down light. HEEBER led panel Lighting efficiency can be up to 85lm/w, and for cool white color, the Lighting efficiency of the whole panel can be up to 90lm/w. CRI can up to 85.HEEBER LED panels are super slim and it's only 10.5mm. The thickness of HEEBER NEW LED panel is 8mm. It's ultra slim.2.HEEBER LED panel light have 3 options of dimming solution: Motion sensor dimming solution, 0-10V dimming solution and DALI dimming solution.please kindly check the attachment about HEEBER LED panel light 3 options dimming solution information.3. According to the test report, Lumen of HEEBER 40w ( driver included, panel is 36w, and driver is 4w ) panel is 3405lm, Max Lumen of 40w panel from Other suppliers is 3200lm. Thus,HEEBER LED 40w is the best in this LED market . The Lumen of HEEBER 50w (extra driver is 5 w) panel is 4746lm4.HEEBER LED panel has 5 color temperatures: warm white,natural white, sunlight white, pure white and cool white, while panel from other suppliers just have 2 or 3 color temperatures. HEEBER LED panel led color range is only 300 Kevin, while panel color range from other suppliers is 500K or even 1000K. HEEBER LED panel choose the 2 highest brightness bins, while other panel suppliers choose 4 bins or even more!