diff --git a/README.mdx b/README.mdx
index a527136..cf5e5a1 100644
--- a/README.mdx
+++ b/README.mdx
@@ -45,7 +45,11 @@ You can install Kali, Raspberrypi OS, or Retropi and many other OS into Hackberr
 [This page](https://github.com/ZitaoTech/Hackberry-Pi_Zero/tree/main/Screen) will tell you how to install the display driver in different operating system.  
 # <a name='Basic Tutorial  '>Basic Tutorial   </a>
 How to change font size in [terminal](https://askubuntu.com/questions/173220/how-do-i-change-the-font-or-the-font-size-in-the-tty-console)
-
+# <a name='Dimension and Weight  '>Dimension and Weight   </a>
+Dimension of HackberryPi: 139.4x82x15.7mm  
+Weight without battery: 151.7 Gram  
+Weight with battery: 189.7 Gram  
+![Drawing](https://github.com/ZitaoTech/Hackberry-Pi_Zero/blob/main/Mechanical_Drawing/Mechanical_Drawing_Q10.png)  
 # <a name='Where to buy  '>Where to buy   </a>
 [BBQ10 keyboard version](https://www.tindie.com/products/zitaotech/hackberrypi-cyberdeck-handheld-with-bbq10-keyboard/)  
 [BBQ20 keyboard version](https://www.tindie.com/products/zitaotech/hackberrypi-cyberdeck-handheld-with-bbq20-keyboard/)