VDO M1 Wireless Largest digits and display multiple function multiple language auto start-stop Cycling Computer Bicycle Speedometer by Premium Brand 1.Simplicity in perfection with Easiest computer to install and to use in the industry 2.Two buttons and a large display with Big characters, easy to read and Focuses on the key bike functions 3.Extra durable and long lasting with multi functions and multi language supported 4.One pair buttons with auto start stop to save batteries and Computer low battery warning 5.Data storage during battery change (data + settings)