Register Booster Fan - 4'' x 12'' Opening with Adjustable Louver Smart Thermostat & 10-Speed WIFI App Control - AC Vent Fan for Floor, Ceiling, Wall - Quiet Operation (White)

SIZE 4×12
INCH: Fits vent openings from 9" to 12" in length, 3 to 5¹ in width, and over 2'' in depth; Measure your vent openings before purchasing; This household booster fan mounts easily on floors, walls, or ceilings.
SMART TEMPERATURE CONTROL FOR ENERGY-SAVING: This register booster fan enhances airflow from HVAC vents; The built-in thermostat automatically activates or deactivates the fan based on your preset preferences.
WI-FI APP CONTROL: Take charge with the Wi-Fi app; Monitor and modify your room's airflow from your phone; Program a schedule for automated comfort, or use a sleep timer from bed; Review temperature history to fine-tune your settings; Full control, no matter where you are.
SUPER QUIET & POWERFUL FAN: Driven by an EC motor, this fan runs below 18 dB while delivering strong airflow up to 120 CFM; Fan-only mode maintains air movement even after your AC turns off at night; For restful sleep, select speed 1-4.
PERSONALIZE YOUR BREEZE: Aim airflow exactly with adjustable louvers (60°-120°) or choose auto-swing for whole-room circulation; When idle, keep louvers open for ventilation, or shut them to retain conditioned air and conserve energy.
SMART CONVENIENCE: Benefit from effortless operation with memory recall after a power outage and a child safety lock; Your temperature, speed, and louver angle preferences are stored, and curious little hands cannot alter them.
DURABLE & STYLISH: Built from robust aluminum and ABS, this fan combines quality with a sleek, compact design; Ideal for basements, bedrooms, attics, offices, living rooms, laundry areas, kitchens, or bathrooms; For bigger spaces, install multiple fans to maintain even comfort throughout