VIVOHOME 4'' x 10'' Opening Register Booster Fan with Adjustable Wind Direction Louver, Smart Intelligent Thermostat & 10-Speed Remote Control - 11.4" x 5.5" Vent Cover for Room, Floor, Wall - White Manual Pole Saws 85" height adjustment range

85" height adjustment range

fast alarm and you can do something that avoids to happen explosion and fire

【Product Material】Made of carbon steel

It's succesed for interior application

it will alert you with a beeping sound and flashing laser to prevent measurement errors

VIVOHOME 4'' x 10'' Opening Register Booster Fan with Adjustable Wind Direction Louver, Smart Intelligent Thermostat & 10-Speed Remote Control - 11.4" x 5.5" Vent Cover for Room, Floor, Wall - White Manual Pole Saws 85" height adjustment rangeAbout this item SIZE 4" x 10" : Compatible with vent sizes ranging from ??.??''?????. 4'' ???? ????????????, ??.??''???.??'' ???? ??????????, and no less than ??.??'' ???? ?????????? ?????????? ?????????????? ?????? ???????????? ????????????: The VIVOHOME Register Booster Fan is a quiet fan system designed to improve airflow from wall and floor HVAC vents; Equipped with a high precision temperature sensor, the thermostat monitors room conditions in