Quiet cooling fan system designed to be installed on top of AV devices such as receivers, amplifiers and DVRs. Maintaining the optimal temperature of your electronics prevents overheating and ensures consistent performance and extends service life. The LCD digital controller on the front of the system has a smart thermostat with speed control and status alert. The steel housing features three dual ball bearing blowers that pull heat out of the electronic device upwards. Low profile design fits in tight spaces On the back there is a port to connect and control additional fans. A power adapter is included to connect the fan system to the outlet. Intelligent Programming Easy to use thermostat and SMART mode to automatically adjust fan speed and change temperature. Other features include alarm alert, fan fault trigger, power saving setting, display lock, and backup memory. 3 screen brightness settings and 6 fan speeds available. On the back of the unit there is a port to control up to six AC Infinity AIRPLATE cabinet fans and a MULTIFAN component fan. Design and Construction This system features a dual ball bearing blower rated at 67,000 hours and is CE, UL, and RoHS certified. The blower is suspended in the air using a silicone mount for vibration absorption and uses a PWM controlled motor to minimize noise during speed changes. Low profile design allows for installation in limited space Made of durable aluminum, steel and can be stacked on top of another equipment up to 30 lbs.