SmartFit® system provides a customised monitor height adjustment in two easy steps Up to 50 degree tilt angle Padded inserts provide a secure, stable fit and keeps your laptops in place Increases air circulation to keep your laptop cooler Folds flat to travel easily This product should be used with an external keyboard and mouse (sold separately) Fits laptops 12" to 17" The Easy Riserlifts your laptop to promote airflow, reducing strain on the laptop battery and circuitry. It also raises the screen to increase your comfort.SmartFit® system provides a customised monitor height adjustment in two easy stepsUp to 50 degree tilt anglePadded inserts provide a secure, stable fit and keeps your laptops in placeIncreases air circulation to keep your laptop coolerFolds flat to travel easilyThis product should be used with an external keyboard and mouse (sold separately)Fits laptops 12" to 17" Design Maximum notebook screen size compatibility 43.2 cm (17") Minimum notebook screen size compatibi