*KeyFeatures *MPPT Solar Power: Is your attic getting too hot? The 50W MPPT controller maximizes sunlight to extract hot air from the attic, with a cooling capacity of up to 3000 CFM. Our solar attic fan can significantly reduce your cooling costs and is suitable for metal and masonry roofs *Intelligent Temperature and Humidity Control: Built-in controller automatically adjusts the roof exhaust fan based on temperature and humidity. Enjoy year-round comfort, with added smoke detection that shuts off the fan for safety *All-Weather Operation and Remote Control: The roof vent fan switches from solar to electrical power at sunset, keeping your attic cool 24/7, even on cloudy days. Comes with a portable remote control to turn the fan off from up to 32 feet(about 9.75 meters) away *Weather-Resistant Panel: Our solar roof exhaust fan features an angled solar panel with multiple adjustable angles to maximize sunlight exposure. It is designed to withstand hail, lightning, and weathering, ensuring it can endure any conditions *Wide Application: The solar attic fan is compatible with both metal and masonry roofs. Whether you're an experienced DIY enthusiast or a certified professional, installation is easy. It also includes temperature control functionality, turning on when the indoor temperature exceeds 26C and turning off when it drops below 26C ******************************************************************************************************* *Specifications Item Model Number: JBSF-350F Power: 50W Airflow: 3000 CFM Fan Blade: 12 in / 30.5 cm Temperature & Humidity Function: Yes Smoke Sensor Function: Yes Color: Black Main Material: Aluminum Alloy (1060) Net Weight: 18.96 lbs / 8.6 kg Item Dimensions: 22.2 x 10 in / 565 x 255mm ******************************************************************************************************* *Pakcage Content Roof Attic Exhaust Fan x 1 Remote Control x 1 Battery Panel Support Bars x 2 Fixed Aluminum Plates x 2 Screws x 6, Nuts x 2 Power Adapter x 1 Temperature & Humidity Controller x 1