Salamander Chameleon Active Cooling Rear Panel for 20-Inch-Tall Cabinets Active cooling rear panel for 20-inch-tall Chameleon A/V cabinets Remote thermostat and dual fans regulate cabinet's internal temperature Fans begin running at 80 degrees and reach max speed at 95 degrees Power consumption: 1 watt standby, 4 watts mid, 8 to 10 watts full Replaces cabinets standard rear panel; whisper-quiet operation