The clip fan provides optimal air circulation and oscillation flow for all a your plant's growth and a healthy growing environment, it's a reliable and long-lasting addition to your growing setup. FULLY ADJUSTABLE,The clip fan can be adjusted in all directions and angles to promote air circulation. CONVENIENT CLIP DESIGN, clamp made to fit all grow tent poles 0.6-1 Inch, with square rubber can prevent slippage, it mountable to any shape of pole and doesn't scratch surfaces. 2 ADJUSTABLE SPEEDS,Powerful Airflow & Accelerate Air Circulation. 6inch clip-on fans designed for grow tents to generate gentle breezes and precise airflow in all of your plant's growth NOISE: 40dB BLADE SIZE: 6inch POWER: 20W AIRFLOW: 300-315 CFM (The product appearance and printed words depending on batch, but this does not affect use) Voltage: AC100-240V Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Color: Black Material: plastic Package Contents: 1 x Grow Tent Clip Fan 1 x adapter Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.