Product Description 6,400 DPI Optical SensorAllows fast and precise mouse swipes that offer greater control for the most essential gaming needs.Razer Synapse 3 (Beta) EnabledRazer's hardware based on online cloud. Set parameters such as DPI and polling rate precisely.Save files automatically and keep the same pace with cloud server.Up to 10 Million ClicksRazerTM Razer mechanical mouse microswitch with up to 10 million clicks.Ergonomic shapeMaintain excellent performance in long-term games, not to be exhausted in the fierce battle.Anti-slip Side GripsRazer Deathadder Essential has upgraded to anti-slip side grips and strengthen control andprecision over your mouse during lift-offs and fast swipes. 5 Hyperesponse ButtonsIndependently programmable Hyperesponse buttons give you advanced controls for a competitive edge.product HightlightsUp to 220 inches per second (IPS) / 30 G acceleration. Razer Mechanical Mouse Switches with 10 million-click life cycle. Gaming-grade tactile scroll wheel. 1000 Hz Ultrapolling. Single-color green lighting. Razer Synapse 3 (Beta) enabled. Terms and Conditions:-We treate all our buyers with the utmost professionalism and appreciate your buisness with us.If you have any questions prior your purchase, we will respond as soon as possible, usually within 24 hours. Selling: -Please be sure to research the item accordingly before purchasing as We not responsible for buyer's sorrow. Images: -Despite of my efforts the colors seen in the pictures may be slightly different from the real product.-Sometimes the color is sent randomly. Delivery:The package will depend on the arrival of the address, it is usually 11-35 working days.Treatment time possible, 1-3 days. Worldwide Shipping:-The product usually comes from china, so the delivery time depends on location.(usually worldwide).-The new product comes factory packaging. If a problem occurs nevertheless, you send us photos or video. Feedback:-For us it is very important to indicate positive feedback of satisfaction. Thank you very much in advance for your kindness. Similary, we appreciate you.