Boosted Impeller Fan Blade for High-Speed Operation: The specially designed boosted impeller fan blade of exhaust air blower maintains its shape even at high speeds, ensuring consistent and efficient airflow. This feature guarantees optimal performance without any distortion or decline in effectiveness.Anti-Mosquito Design with Check Valve: Equipped with a check valve design, this air vent window wall fan acts as an effective barrier against mosquitoes and other insects. The check valve automatically opens and closes with the wind, preventing unwanted from entering your living space. Enjoy a comfortable and mosquito-free environment all day long.Advanced Features: Equipped with a remote control for convenient operation, this fan offers adjustable speed settings through its innovative frequency conversion technology, allowing you to customize airflow and noise levels to suit your needs.Easy Installation: The fan's wall-mount design makes it easy to install, providing a seamless fit into any room without taking up floor space. Ideal for looking for a practical ventilation solution.Model: 6 inchesRated voltage: 220 voltsRated frequency: 50 HzPower: 5 wattsAir volume: 240 cubic meters per hour(The product appearance and printed words depending on the batch, but this does not affect use)Color:As ShownMaterial:plasticPackage Contents:1 * Greenhouse Fan1 * remote controlOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you!About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly.2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping! Note: Please allow 1-3 mm error/1-169g weight error and actual product color may vary due to lighting conditions.