4” x 10” Ultra-Quiet Register Booster Fan Auto-Fan Speed Adjust with Thermostat Control Ac Vent Booster Fan for Better Heating and Cooling White

"Front temperature sensor, real-time monitoring of indoor temperature.

Intelligently adjust the wind level according to the set room temperature.

The greater the temperature difference, the higher the wind rating, going up or down one notch every 5 degrees Fahrenheit.

Temperature difference between 0 and 5 degrees Fahrenheit, wind rating down to 2.

The temperature difference is lower than the set temperature, the wind level is reduced to 1 gear, and it will not be closed.

Automatic transmission, more intelligent. Saving energy loss"

"Voltage 110 Volts

Wattage 300 watts

Noise Level 22.5 dB

Material Alloy Steel, Plastic

Batteries required No

Included Components Remote"