ATOM NEXUS Register Booster Fan for 4”x10” DUCT OPENING CUTOUT, 10-Speed Adjustable Smart Vent Booster with Thermostat Control, Energy Efficient Heating Cooling AC Vent Fan, App Control - AZ410-W

• Optimize Airflow: Balance room temperatures effortlessly. The upgraded ATOM NEXUS register booster fan enhances your HVAC system’s performance by redistributing warm or cool air to eliminate uneven temperatures. Enjoy heightened comfort, energy savings, and reduced costs. One fan's airflow is 1.8m³/min. For larger spaces, we recommend installing multiple fans to maximize efficiency. Intelligent Temperature Control: This upgrade register fan is equipped with high-precision temp probe sensors that continuously monitor room temperature and trigger the fan to operate according to your set cooling or heating temperatures. Featuring 10 adjustable speed settings, you can control it effortlessly through the smartphone app from anywhere or let it work intelligently. Requires 2.4GHz Wi-Fi (fan does not support 5GHz). Quiet Operation & Max Efficiency: Featuring ultra-quiet hydro-mechanical stator blades and a PWM motor, these units operate at a whisper-quiet level below 18 dBA, ensuring tranquil environments and energy savings without sacrificing performance. Higher fan speeds generate more white noise. Reduce speed for quieter operation. The motor's dual ball bearings enhance performance and offer a remarkable 67,000-hour lifespan. Premium Engineering & Design: Crafted with a sturdy, precision-CNC-machined aluminum frame, this vent fan booster features a scratch-resistant matte-finish housing that combines durability with modern aesthetics. Its sleek design with clean lines ensures seamless integration in both traditional and contemporary interiors. Easy to install on walls or floors (ceiling mounting not recommended), and powered by a long 11.75ft UL-listed cord for convenient placement. FIT 4'' x 10'' DUCT OPENING: ATOM NEXUS register booster fan perfectly fits 4"×10" register holes (STANDARD SIZE DUCT OPENING). Please measure your register hole before purchasing to ensure compatibility. This air boosting register fan vent fits duct openings with a width of 3.90–4.25 inches and a length of 9.73–10.25 inches. If the fan white noise is too loud, lowering the speed setting will reduce sound levels.