The moisture meter can quickly measure the moisture content of the grain. 1. 97mm / 3.8inch Height: This 97mm / 3.8inch PC cooling fan is ideal for electronics and components placed in a cabinet or rack with limited clearance height. 2. USB Powered: This computer cooling fan is powered by USB interface of electronic devices or adapter , car charger, power bank and other standard USB port. 3. 3 Speed Mode : This computer cooling fan is designed with 3 speed modes adjustable by the controller, providing concentrated airflow for efficient heat dissipation. 4. Easy installation: This computer case fan with a long enough USB cable can be easily installed and connected to your electronic devices. 5. Wide application: This PC case fan provides up to 3800rpm. /min, and 22 CFM is suitable for self pumping, modem, router, receiver, amplifier, PoE switch , DVR, TV, AV cabinet, data center and storage device. . FAN TURBINE 9733 5V 3D PRINTER Specification: Item Type: USB Blower Fan Material: PBT Input Port: USB Voltage : 5V DC Rotation speed : 3800 rpm Display Built - in Fan size: approx . 97 x 97 x 33 mm / 3.8 x 3.8 x 1.2 inches (manual measurement, slight error may occur) Air intake size: approx . 60mm/2.36inch (manual measurement, there may be slight error) Fan speed control : 3 speed modes (high, medium , low) . FAN TURBINE 9733 5V 3D PRINTER List of packages: 1 x USB Blower Fan 1 x Nozzle Remove and use . FAN TURBINE 9733 5V 3D PRINTER