... main advantages are long lifetime, response fast, free-drive, anti-scratching, dust and water proof, easy installation and maintenance etc. and ... for single dot touch.* Toughened glass protecting, anti-knocking, water and dust proof, it can be used for the various ... touch or any object, No drift, drive-free,waterproof,anti-dustPackage Product Dimension781*476*110mm781*476*110mm1264*790*110mmPackage ...