The fan is very suitable for cooling your house, office, workplace, garage, warehouse, etc. in the hot summer. The product is sturdy and durable.This sturdy and durable fan is ideal for generating powerful airflow. It is suitable for homes and commercial places that require effective ventilation, such as homes and offices.feature:Speed adjustment gear: stepless speed changeTiming function: no timingNoise: below 40dbFan type: table fanSwitch type: knob typeAir supply mode: no page turning, no head shakingOperation mode: mechanicalPower supply mode: USBRated voltage: 5V-2A (V)Rated power: 1W-6W (W)Rated frequency: 30 (HZ)Control type: manual switchnotes:1. Due to manual measurement, please allow an error of 1-2 cm, and make sure you don't mind before ordering.2. Please understand that due to the different positions of the pictures, there may be chromatic aberrations in the colors.