GBGS 30W Solar Powered Exhaust Fan AC Power Backup, Built-in Thermostat Switch, 1750CFM, 4200sq/ft Ventilation, IP68 Brushless DC Motor, Adjustable Solar Panel, 40db, 47.5ft Cable, Double Rust Free

• UPC   714394877383
• 【2 Ways Power Supply: Solar(Priority)+ Electric(Secondary)】A smart power controller is included to allow automatic switching of the powe supply between solar panel and AC/DC power adapter. 30W Solar power works when solar energy is equal and greater than 14V. solar + electric work together when solar energy is greater than 0 but less than 18V. electric power works when solar energy is 0V. This Solar Fan even works on rainy days! Quite and waterproof brushless DC motor, 14in nylon-fiber-aluminum blades (7 blades not 3 ), galvanization steel housing and mounting frame, solar wall exhaust fans can be assembled Together(Note: please buy extra screws ), front side metal mesh, roof/wall mounted 【Adjustable Solar Panel】: Horizontally & Vertically (0/30/35 degree. So you can make sure the sun is directly opposite the solar panel. Besides, the panel could be Remote Mounted 2 Working Modes: Temperature control mode: Built-in Thermostat Switch, Power on: above 77℉, Power off: below 65℉ .Normal mode: Bypass the thermostat switch by a short wire connection and work continuously regardless of the temperature. (Refer to user manual) AC / DC Power Adapter Length: 3 m (9.84 ft). Lifespan: Brushless DC motore--10 Years. Solar Panel--25 Years. Metal Casing--20 Years. AC/DC Power Adapter--10 Years. Solar wall exhaust fans can be assembled Together(Note: please buy extra screws ). Front side metal mesh. Roof/wall mounted