1/4-20 threaded Accessory Socket for Monitor, Microphone, LED light or More. Leofoto LH-30 Low-Profile Ball Head. Is lightweight aluminum and features an Arca-type compatible quick release system. A precisely-machined ball provides ultra-smooth movements and a large, ergonomically-designed locking knob, enables the movement of the ball head to be controlled. Laser-engraved scales on the panning base provide precise control during panorama shooting and dual drop notches provide the capability for rapidly changing from horizontal to vertical orientation.Leofoto tripods feature 10x carbon fiber tubes that make the tripod lightweight while maintaining a strong load capacity. The 6061 aluminum parts are CNC machined and hard anodized, making the surface tough against scratching and scuffing. The twist leg lock system is quickly deployed with a simple quarter turn. With the tripod's three variable leg angles, it allows you to splay the legs completely out, so the support can drop to a very low minimum height. Height: 158mm/ 6.22" Folded length: 449mm/ 20.59" Leg Section : 5 Max load: 4kg/ 8.81lb Weight: 1.15kg/ 2.53lb Tilt range : -15°/+15°.