The device is easy to install, and provides different height adjustments to suit the preferred working position. It slides out when in use and pushes under the table when not needed. It does not take up space and is very convenient. It can provide you with sufficient working space, allowing you to arrange and use the desktop more reasonably, and can store items on the desktop to reduce clutter and keep it tidy and improve work efficiency It is easy to install, we will give you accessories, you just need to install it according to the instructions, the table where the keyboard is installed cannot be less than 40x60cm (note: this product cannot be used if there is a beam under the table) Material: Steel Color: gray, black Keyboard stand size: 50x26cm (19.69inx10.24in) Mouse frame size: 21x20cm (8.27inx7.87in) Slide rail size: 36cm (59cm after sliding out) Slide rail width: 3cm Since our logistics is an international cross-border logistics, it takes about 15-20 days to receive the goods, please wait patiently and check the goods in time We provide you with high-quality products and first-class services. If you have any questions, you can contact us by email at any time, and we will reply you within 24 hours and provide you with a satisfactory solution If you are satisfied with our products, you can give us a 5-star rating, which is very important to us, and we will be very grateful for your trust and support