Compatible with 7"-14" tablets, iPad Pro(R) 11"/12.9" (2018), iPad mini(TM), iPad Air(R), iPad(R) Gen. 5/6; Microsoft Surface(R) Pro 4; Samsung(R) Galaxy Tab S3(TM) & more; Compatible with headphone jack credit card readers & tablets in their cases up to 1.2" thick; Attaches to pole or tabletop; Lock & key security protects tablet from theft; Tilting, rotating arm joint for custom positioning; Joint locks in place with folding clasp; Tablet holder tilts & rotates 360deg for portrait & landscape orientations; Interior cable routing for neat charging while in use; Dim: 18"H x 5"W x 2"D; Weight: 3.3lbs; Max height: 18"; Includes arm mount, holder & 2 keys;