&lt;ul&gt;
&lt;li&gt; Model: MT-R547&lt;/li&gt; 
&lt;li&gt; Red LED advanced optical technology&lt;/li&gt; 
&lt;li&gt; 2.4 GHz USB Nano receiver included (range up to 10m)&lt;/li&gt; 
&lt;li&gt; DPI Resolution Switch, 800/1200/1600 DPI&lt;/li&gt;          
&lt;li&gt; 1 AA Alkaline type batteries &lt;/li&gt; 
&lt;ul&gt; 