Can you turn off the backlit LCD display?

Of course you can. You can turn it on permanently or off if you prefer. There are also three settings available for the brightness.

What is the temperature buffer in regular operating mode - how far does the temp have to go up or down before the fan comes on or shuts off?

An additional note on this, AFAICT there is no temperature buffer in smart mode, it only applies in auto mode. In smart mode the fan just toggles on and off continuously as the temperature hovers around the set point, making that mode kinda useless. Reported as a bug to AC Infinity...

Does the fan have auto mode to turn on automatically based on temperature?

It is not the fan that have an auto mode, it is the AC Infinity Controller. I leave mine on Smart program all the time so when the temperature rise up the fans start to extract the heat gradually and silently. The warmer the receiver the faster they go until the temperature comes down again ( according to your program ) and then the system turns off automatically. This is a fantastic product and seeing how hot the receivers can get I can only highly recommend AC Infinity. Before my receiver could heat up to 42 degree celsius, now the temperature never goes above 30 degree celsius. Hope that helps.

What is the highest temperature you can set the fans to come on at?

Nvm...It looks like they've updated to a newer model than what I have. They claim the new model is: 32 to 140*F

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AC Infinity Controller 2, Fan Thermostat & Speed Controller for USB Fans

AC Infinity Controller 2, Fan Thermostat & Speed Controller for USB Fans

Product ID: 48039930

Details

Brand
AC Infinity
Colour
black / black
Material
Plastic
Product dimensions
13.2L x 7.9W x
Voltage
5 Volts

⚙️Supports up to 6 fans with 6 speed settings

🌡️Precision thermal probe for accurate temp control

🖥️Digital LCD display for precise monitoring

Description

🌬️ Stay cool, stay ahead — control your climate like a pro!

MULTI FAN CONTROL - Seamlessly manages up to six AC Infinity or compatible fans, perfect for complex AV setups or media cabinets.
SMART THERMAL MANAGEMENT - Automatically adjusts fan speed to maintain optimal temperature, preventing overheating and extending equipment life.
COMPLETE INSTALLATION KIT - Comes with a precision thermal probe, mounting screws, and power adapter for hassle-free setup.
USER FRIENDLY DIGITAL DISPLAY - Clear white-on-black LCD screen offers real-time temperature readouts and intuitive control.
ROBUST ALARM MEMORY FEATURES - Includes temperature alarms, display lock, and power failure memory to ensure uninterrupted performance.

The AC Infinity CONTROLLER 2 is a sleek, intelligent fan thermostat and speed controller designed for home theater and AV media cabinet cooling. Featuring a digital LCD display, precision thermal probe, and the ability to control up to six fans with six speed levels, it automatically adjusts cooling based on temperature changes. Its advanced alarm system, display lock, and power failure memory ensure reliable operation. The complete kit includes everything needed for easy installation, making it the ultimate solution for maintaining optimal equipment temperatures and preventing heat damage.

Specifications

ASIN	B00NG9TSG4
Brand	AC Infinity
Colour	black / black
Customer Reviews	4.7 4.7 out of 5 stars (905)
Display Type	Digital
Included Components	Precision thermal probe, mounting screws and power wall adapter
Item Dimensions L x W x H	13.2L x 7.9W x 2.8H centimetres
Item Highlight	Auto Temperature Programming w/ Thermal Probe, LCD Display, 6 Fan Speed Control, for AIRPLATE, MULTIFAN in AV Cabinet Cooling
Item Weight	0.4 Pounds
Manufacturer	AC Infinity
Manufacturer Part Number	AI-ATC
Material	Plastic
Model Number	AI-ATC
Number of Items	1
Operating Temperature	32 Degrees Fahrenheit
UPC	854759004402
Unit Count	1.0 count
Voltage	5 Volts

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TrustScore 4.5 | 7,300+ reviews

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Good experience, but the tracking updates could be better.

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