Procool AVP-180T System Includes The Fan Procool model SXT80 fans are temperature controlled automatic on/off with variable speed, ranging from 1200 RPM to 2400 RPM at full speedIncluded in all AV Kit Series ✓ Quiet operation - 6-14 dBA ✓ High Airflow - 14-32 CFM Temperature Sensor Each fan has a temp sensor that should be located on or near the heat source. The sensor tells the fan when to start and stop and how fast to run. When the sensor detects heat above 75-77°F the fan will start. As heat increases the fan speed will increase. The fan will reach full speed of 2400 RPM at about 104-107°F. The fan temp sensors can be moved closer to the heat source to optimize or fine tune fan operation. As temperature levels drop the fan will slow down. Once the temp falls below 75-77°F the fan will shut off. The Controller Large Blue LED display (Switchable- on or off)Switch between Fahrenheit and CelsiusTemp range from 32-212?F (0-100 Celsius)24" thermal probe Power Supply Input: 100-240 VAC Output: 12VDC AC plug type: NEMA 1-15P DC Cable: 36 inch with 2.1mm barrel plug AVP-180T AVP-280T AVP-480T Add to Cart Add to Cart Add to Cart Price $89.99$89.99 $99.99$99.99 $129.99$129.99 Number of fans: 1 2 4 Airflow: 14-32 CFM 28-64 CFM 56-128 CFM Noise: 6-14 dBA 9-17 dBA 12-20 dBA Power Supply Rating: 100-240 VAC - 12 VDC/5VDC 100-240 VAC - 12 VDC/5VDC 100-240 VAC - 12 VDC/5VDC Power Draw: 2.04w 4.08w 8.16w Amp Draw: 0.17A 0.34A 0.68A Demensions: 3" x 3" x 1" 3" x 3" x 1" 3" x 3" x 1" Max Fan Compatibility: 5 5 5 Mounting Hardware: ✓ ✓ ✓ Fan Grill with Screws: ✓ ✓ ✓