* Mechanical compatibility with direct mounting of the LED modules to the LED cooler and thermal performance matching the lumen packages.* Thermal resistance range Rth 2.7°C/W.* Modular design with mounting holes foreseen for direct mounting of a wide range ofLED modules and COB's:* Diameter 80mm - Standard height 30mm , Other heights on request. * Forged from highly conductive aluminum.2 standard colors - clear anodized - black anodizedZhaga Book 3 Spot Light Modules Edison, Osram, Xicato, Bridelux, Citizen, Cree, Philips, Tridonic, Vossloh, LG, Seoul, Lustrous, SHARP, Samsung, GE lighting.