The AC 100V - 240V EC Series Ventilation fan with fan grille mover the air or cooling LED light.This high-quality less energy fan Certified single speed fan reduces humidity small space and keep dry and cool . Using wathai fans, your room will be ventilated and cool. Designed for retrofit, remodel and replacement, this fan features hassle-free installation from the room place or doorway, for spaces with no attic access. The ac power plug components make it flexible to almost any installation challenge, especially for home entertainment electronic cabinet , pc gaming case, rv refrigerator or any place where quiet ventilation is required. fan housing dimensions measure 3.14" x 3.14" x 1" / 4.72x4.72x1 inch. Wathai leads the industry with forward-thinking residential ventilation products, customized climate, communications and home automation solutions along with award winning outstanding works.