Dimension:The height of the main pole can be adjusted up and down 36-52cm.The length of the crossbar is 40cm.The diameter of the base is 16.5cm.The width of the phone holder is 6-9cm.With 1/4" screw universal ball head, which has wide compatibilities. | Adjustable Height and Angle:The cross bar can be adjusted up and down 31-51cm,and left and right can be pushed and pulled 21cm. It can be rotated 360° to easily adjust your device to the desirable position. | High Quality:Weighted round base and double steel pole for must more stable operation, no more shaking or falling during live streaming or photo shooting. | Easy to Install:Easy to assemble without any tools, just turn the knob to complete the installation or adjusting the post. | Multipurpose:Suitable for live broadcast, makeup, photography, selfie etc.