diff --git a/docs/en/unit/weight.md b/docs/en/unit/weight.md
index b2da9bba..70b778c8 100644
--- a/docs/en/unit/weight.md
+++ b/docs/en/unit/weight.md
@@ -48,6 +48,11 @@ power supply regulator:
 - 1x WEIGHT Unit
 - 1x Grove Cable
 
+## Size and Weight
+
+- Package Size:67mm x 53mm x 12mm
+- Package Weight:20g
+
 ## Applications
 
 -  Micro weight meter