diff --git a/README.md b/README.md
index ddb3936..857b6a5 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 The USB-C cable tester shows which features a USB-C to USB-C cable supports.
 
-<img src="picture/front.webp" title="front" height="250"/>
-<img src="picture/back.webp" title="back" height="250"/>
+<img src="picture/v2_front.webp" title="front" height="250"/>
+<img src="picture/v2_back.webp" title="back" height="250"/>
 
 purpose
 =======
diff --git a/picture/back.webp b/picture/v1_back.webp
similarity index 100%
rename from picture/back.webp
rename to picture/v1_back.webp
diff --git a/picture/ff.webp b/picture/v1_ff.webp
similarity index 100%
rename from picture/ff.webp
rename to picture/v1_ff.webp
diff --git a/picture/front.webp b/picture/v1_front.webp
similarity index 100%
rename from picture/front.webp
rename to picture/v1_front.webp
diff --git a/picture/usb2.webp b/picture/v1_usb2.webp
similarity index 100%
rename from picture/usb2.webp
rename to picture/v1_usb2.webp
diff --git a/picture/v2_back.webp b/picture/v2_back.webp
new file mode 100644
index 0000000..c54a075
Binary files /dev/null and b/picture/v2_back.webp differ
diff --git a/picture/v2_ff.webp b/picture/v2_ff.webp
new file mode 100644
index 0000000..dfff1d3
Binary files /dev/null and b/picture/v2_ff.webp differ
diff --git a/picture/v2_front.webp b/picture/v2_front.webp
new file mode 100644
index 0000000..dba2c00
Binary files /dev/null and b/picture/v2_front.webp differ