Quiet Register Booster Fan with Intelligent Thermostat, fit 4'' x 12'' Opening Vent Hole

Features

• Be sure to measure your vent openings to ensure proper fit
• Equipped with a 5.5W PWM-controlled DC motor with dual ball bearings, this fan ensures precise speed control, energy efficiency, quiet operation, and long-lasting performance
• The smart booster fan features a programmable LCD controller and a high-precision temperature probe to monitor duct temperature and automatically adjust based on your set cooling or heating preferences
• With 10-speed settings, you can easily customize airflow to meet your comfort needs
• The remote has an effective range of up to 16.4 ft, offering maximum convenience
• The premium alloy aluminum frame, ABS rear cover, and CNC-machined corners give this booster fan a sleek and elegant look