The Zylight 1902007 is a Suction Cup Mount. It comes with 1/4-20 stud to mount your Zylight to any flat or curved, smooth, nonporous surface. Also accepts Articulating Arm, Adjustable Clamp, or any other 1/4-20 female accessory. Visual indicator warns of any vacuum loss. Check valve allows repumping without loss of remaining vacuum. Lift tabs on pad edges permit instant release. It is supplied with pad protector.