4.7 Inch Grow Tent Fan, 5V/12V Dual Voltage Gooseneck Ventilation Fan, IP54 Waterproof, 6 Speed Adjustable, Timer Cycle, Quiet Airflow for Greenhouse Hydroponics Plant Growing & Cooling

6 Adjustable Speed Levels Equipped with a precise speed controller to deliver customized airflow, from gentle breeze for stable ventilation to strong power for high-demand cooling in grow tents and large pet enclosures. ^^ Smart Timer for Pet & Plant Care Features 6 delay-off settings (16 hours) and 3 cycle modes (12H/24H/non-cycle) to automate ventilation and odor control for grow rooms, greenhouses, and pet habitats; set it and forget it for hassle-free daily maintenance. ^^ 5V/12V Dual Voltage Compatibility Supports both 5V USB and 12V DC power (USB-to-DC adapter included). Runs at 4001700 RPM under 5V and 10003000 RPM under 12V for flexible, all-scenario use.

^^ IP54 Waterproof & Durable Build IP54 waterproof, dust-proof, and moisture-resistant motor with dual ball bearings ensures stable performance in humid/dusty environments and a long service life up to 60, 000 hours. ^^ 360 Flexible Gooseneck & Easy Install Fully adjustable gooseneck directs airflow exactly where needed; tool-free installation saves space and fits grow tents, greenhouses, cabinets, pet crates, and more. ^^ Daisy Chain Expandable Design Plug-and-play controller supports daisy-chaining multiple fans: up to 8 fans via 5V USB or 4 fans via 12V DC, greatly improving overall ventilation and cooling efficiency for larger setups.