Xiaoqijia 80mm Temperature-Controlled USB/DC Silent Cooling Fan - 5V/12V Dual Voltage,4-Inch, 10-Speed Adjustable - for AV Cabinets, Server Racks, Greenhouses & RVs

Features

• Whisper-Quiet Cooling with 16dB Low Noise Experience peaceful operation with our USB cabinet fan, engineered for ultra-quiet performance—just 16dB at the lowest speed. Ideal for maintaining optimal temperatures in multimedia cabinets, server racks, greenhouses, pet habitats (dog kennels, chicken coops), wine cellars, shoe storage, and electronic setups, without disrupting work or living spaces.
• 10 Customizable Speed Settings for Precise Airflow Take full control with the included speed controller, offering 10 adjustable speeds to tailor airflow to your needs. Whether you need a gentle breeze for subtle cooling or high-speed ventilation for server rooms, industrial sheds, or AV equipment, this fan delivers versatile performance at your fingertips.
• Smart Temperature Control for Hands-Free Operation Designed for pet nests, grow rooms, and RVs, the intelligent controller features 0-60℃ temperature settings and auto-adjust mode. It automatically activates/deactivates the fan and adjusts speed based on real-time temps, ensuring optimal ventilation without manual intervention—perfect for consistent climate control.
• Dual Voltage Compatibility (5V USB/12V DC) Works seamlessly with 5V USB power (plug-and-play with laptops, power banks) or 12V adapters for fixed setups. The built-in speed switch lets you fine-tune performance across voltage inputs, making it ideal for portable devices, workshop cabinets, or outdoor applications.
• Industrial-Grade Durability for Harsh Environments Built to last with a dust-resistant switch and IPX5-rated waterproof motor, this fan withstands humid, dusty, or high-use settings. Dual-ball bearings ensure a 60,000-hour lifespan, providing reliable, long-term cooling for demanding environments.
• Safe & Stylish Design with Premium Materials Safety-first features include protective iron grilles on both sides to prevent accidents and cable damage. The CNC-machined aluminum alloy panel with a brushed finish adds a sleek, modern look while ensuring robust structural integrity for any space.
• Plug-and-Play Expandability with Daisy-Chain Support Easily connect up to 8 compatible fans via the built-in daisy-chain interface (USB 5V mode) for enhanced cooling power. Share a single controller and program for synchronized operation, perfect for large server racks, cabinets, or multi-unit setups—no complex configuration required.