Features: Solar powered exhaust fan delivers energy efficient cooling systems with none electricity costs, featuring high performances airflows design for optimal heat dissipation in enclosed spaces. Crafted from lightweight plastic and silicone materials, this strong ventilation tool offer tool easy installation and maintenance easy operations for hassle easy climate control solution. Ideal for user conscious office workers, technology enthusiasts, and workspaces managers seeking sustainable cooling alternatives without compromising airflows efficiency. Perfectly maintains comfortable temperatures at home offices, server rooms, and electronics workstations during extended operations periods through solar powered ventilation. Reduce carbon footprint while ensuring stable thermal management – its weather resistant construction adapts seamlessly to window mounts or wall fixtures for year round use. Specifications: Greatest‌ power (pmax): 2W Open circuit voltages (voc): 6V greatest‌ power voltages (vmpp): 5v Short circuit current (isc): 0.7A greatest‌ power current (implp): 0.4A Output: Direct-Current Standard test conditions Air-Mass=1.5 Irradiance = 1000W/㎡ Temperature = 25℃ Package Includes: 1xSolar panels note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid.