The mounts extension and retraction 40" (1020 mm) and 3.9" (100 mm) display height adjustment. ERGONOMICS: Easily lift keyboard and LCD screen to proper height, let you swing your display left, right, up and down with full range of motion to provide unsurpassed ergonomic comfort, enhance healthy lifestyle and improve productivity in both homes and offices. Enjoy the freedom to adjust your monitor height and angle: Your spine, neck and shoulder will be thankful. EASY INSTALLATION: Built in durable gas-strut to hover at any working positions, Simple installation and easy to use, effortless operation; Switches from sitting to standing position in just a few seconds.This item is in the category "Home & Garden\Furniture\Home Office Desks". The seller is "deals_typhoon" and is located in this country: US. This item can be shipped to United States, New Zealand, Fiji, Papua New Guinea, Wallis and Futuna, Sudan, Gambia, Malaysia, Mayotte, Taiwan, Poland, Oman, Suriname, United Arab Emirates, Kenya, Argentina, Guinea-Bissau, Armenia, Uzbekistan, Bhutan, Senegal, Togo, Ireland, Qatar, Burundi, Netherlands, Iraq, Slovakia, Slovenia, Equatorial Guinea, Thailand, Aruba, Sweden, Iceland, Macedonia, Belgium, Israel, Kuwait, Liechtenstein, Benin, Algeria, Antigua and Barbuda, Italy, Swaziland, Tanzania, Pakistan, Burkina Faso, Panama, Singapore, Kyrgyzstan, Switzerland, Djibouti, Chile, China, Mali, Botswana, Republic of Croatia, Cambodia, Indonesia, Portugal, Malta, Tajikistan, Vietnam, Cayman Islands, Paraguay, Saint Helena, Cyprus, Seychelles, Rwanda, Bangladesh, Australia, Austria, Sri Lanka, Gabon Republic, Zimbabwe, Bulgaria, Czech Republic, Norway, Côte d'Ivoire (Ivory Coast), Burma, Kiribati, Turkmenistan, Grenada, Greece, Haiti, Greenland, Yemen, Afghanistan, Montenegro, Mongolia, Nepal, Bahamas, Bahrain, United Kingdom, Dominica, Bosnia and Herzegovina, Hungary, Angola, Western Samoa, France, Mozambique, Namibia, Peru, Denmark, Guatemala, Solomon Islands, Vatican City State, Sierra Leone, Nauru, Anguilla, El Salvador, Dominican Republic, Cameroon, Guyana, Azerbaijan Republic, Macau, Georgia, Tonga, San Marino, Eritrea, Saint Kitts-Nevis, Morocco, Saint Vincent and the Grenadines, Belarus, Mauritania, Belize, Philippines, Democratic Republic of the Congo, Republic of the Congo, Western Sahara, Comoros, Colombia, Spain, Estonia, Bermuda, Montserrat, Zambia, South Korea, Somalia, Vanuatu, Ecuador, Albania, Ethiopia, Monaco, Niger, Laos, Ghana, Cape Verde Islands, Moldova, Madagascar, Saint Pierre and Miquelon, Lebanon, Liberia, Bolivia, Maldives, Gibraltar, Hong Kong, Central African Republic, Lesotho, Nigeria, Mauritius, Saint Lucia, Jordan, Guinea, British Virgin Islands, Canada, Turks and Caicos Islands, Chad, Andorra, Romania, Costa Rica, India, Mexico, Serbia, Kazakhstan, Saudi Arabia, Japan, Lithuania, Trinidad and Tobago, Malawi, Nicaragua, Finland, Tunisia, Luxembourg, Uganda, Brazil, Tuvalu, Germany, Egypt, Latvia, Jamaica, Niue, South Africa, Brunei Darussalam, Honduras.