Smart Thermostat Control: Auto-adjusts fan speed between 0-40°C—maintains ideal temps for DVRs/routers with temperature-triggered activation (no manual intervention).
Dual-Cooling Options: Choose Package A (double 80mm fans) or B (single fan)—both include multi-speed controllers for customizing 44CFM airflows to cabinet needs.
Silent 25dB Operations: 7-blade-turbine design delivers strong cooling at whisper-volume, perfect USB computer fan for bedrooms/home theaters near sleeping areas.
USB Power: 5V/1A input works with laptops/power banks—portable cooling option for plant cabinets, pet kennels, or server racks.
Industrial-Grade Durability: Metal grille + ABS frame resists dusts/deformation—outlasts plastics computer cooling fans in humid environments.

Specifications:
Component:Plastics
Single Fan Size:Approx.8x8x2.50cm/3.14x3.14x0.98inch
Option Type:Double Cooling Fan,1pc Single Fan;
Input:5V1A
Air Volunms:44CFM

Package Includes:
Package A
1pc Double Cooling Fan
1pc MultiSpeed Controller
Package B
1pc Single Cooling Fan
1pc MultiSpeed Controller

Note:
Please allow 1mm errors due to manual measurement.
Due to the differences between different monitors, the picture may not reflect the actual item color.