New Technology - Pump-actived With the start of the manual air pump, the gas inside the cavity is continuously pumped out, and the air pressure then drops to a negative pressure state. The vacuum suction cup will be pressed on the surface of the object under the action of external atmospheric pressure, thus realizing vacuum adsorption High Quality for Safe UseMade of high quality aluminum alloy and premium rubber, stick the surface tightly, load-bearing capacity up to 3KG; Vertical suction: 40kg Horizontal suction: 60kg NATO Rail Magic ArmNATO camera mount able to quick install on and release from the suction base; durable metal material give camera strong supper; dual 360°ball head allows to adjust the angle at will; includes a action cam adapter, enable to work with gopro/dji action 3 Rich Expansion for Multi Mounting Equipped with multiple 1/4'', 3/8'' threads and adapters to achieve easy expansion, able to connect ball head and magic arm