- Our Safety Mark Driver BLE Version 2 , Power-off memory feature that remembers the last setting used - Use ECODO Smart Pro X 2 Mesh Gateway up to 64 nodes , ECODO Remote Control up to 256 devices per channel - Colour Temperature 2700K to 6500K , CRI 80 > , Variable angle beam design 120 degree - Dimensions : Dia 145mm / Cut Hole Opening 135mm