Powerful 4 Fan Ventilatparticlemail: Armed with four large 320×320mm central admirers, this structure quickly removes heat, dampness, and odors from cooperatives, pet residences, shacks, and greenhouses Permanent IP65 Waterproof Planumberebog: Constructed with epoxy rosin lamination for IP65 waterproof rating, immune to heat and aging, ideal for outdoor and transportable indoor use High Efficiency Photovoltaic Powerebog: The 12W monocrystalline photovoltaic panel converts sunlight into power with 20% efficiency Battery Complimentary Safe Actparticlemail: Model house with denial power storage, ensuring security and low maintenance while meeting general cargo demands Multiple Connection Flexibility: Features Usb, USB, and DIRECT CURRENT outputs for optional external power resources like power financial institutions, facilitating night otherwise shadowy action, Manufacturer: Limtula