diff --git a/konami/product/GULDJ-JI.md b/konami/product/GULDJ-JI.md
new file mode 100644
index 0000000..619aa55
--- /dev/null
+++ b/konami/product/GULDJ-JI.md
@@ -0,0 +1,17 @@
+# `GULDJ-JI`: Beatmania IIDX PENDUAL LCD monitor
+
+* "PENDUAL LCD"
+* Monitor manufacturer: Konami Digital Entertainment
+* Panel: YTE (model unknown)
+* Size: 42"
+  * Visible size is 37". The remainder of the display area is covered by the bezel around the screen
+  * The input image is downscaled to the 37" visible area by the firmware of the monitor
+* Weight: 46kg
+* Power
+  * Voltage: AC100V
+  * Consumption: 100W
+  * Rated frequnecy: 50/60Hz
+* Native resolution: ???
+* Input: VGA, DVI
+* Known "manufacturing numbers" (`_` are redacted parts creating the unique identifier)
+  * `LDJUJIM_____` #WEB:https://twitter.com/kururusky/status/1601190433240936449/photo/1`
\ No newline at end of file
diff --git a/konami/product/GULDJ-JJ.md b/konami/product/GULDJ-JJ.md
index 7f5064e..7593e84 100644
--- a/konami/product/GULDJ-JJ.md
+++ b/konami/product/GULDJ-JJ.md
@@ -1,8 +1,14 @@
-# `GULDJ-JJ`: Beatmania IIDX PENDUAL LCD monitor
+# `GULDJ-JJ`: Beatmania IIDX COPULA LCD monitor
 
-* "PENDUAL LCD"
-* Monitor manufacturer: Konami Digital Entertainment
-* Panel: YTE (model unknown)
-* Size: 37"
+* "COPULA LCD"
+* Size: 42"
+* Weight: 46kg
+* Power
+  * Voltage: AC100V
+  * Consumption: 100W
+  * Rated frequnecy: 50/60Hz
 * Native resolution: ???
 * Input: VGA, DVI
+* Known "manufacturing numbers" (`_` are redacted parts creating the unique identifier)
+  * `LDJUJJM_____` #WEB:https://twitter.com/kururusky/status/1601190433240936449/photo/1`
+  * `LDJQJC_____` #WEB:https://twitter.com/kururusky/status/1601190433240936449/photo/1`
\ No newline at end of file
diff --git a/konami/products.md b/konami/products.md
index 6ec4a67..95cb224 100644
--- a/konami/products.md
+++ b/konami/products.md
@@ -2134,7 +2134,7 @@ unknown:
   - `GULDJ-JG`: SPADA LCD monitor  `#WEB:http://kururusky.com/?p=1458`
   - [`GULDJ-JH`: PENDUAL version up kit](product/GULDJ-JH.md) (Japan)  `#WEB:https://blog.flipflop-jp.com/archives/3391/post-3391/`
   - [`GULDJ-AH`: PENDUAL version up kit](product/GULDJ-JH.md) (Japan)  `#WEB:https://blog.flipflop-jp.com/archives/3391/post-3391/`
-  - `GULDJ-JI`: PENDUAL LCD monitor  `#WEB:http://kururusky.com/?p=1458`
+  - [`GULDJ-JI`: PENDUAL LCD monitor](product/GULDJ-JI.md)  `#WEB:http://kururusky.com/?p=1458`
   - [`GULDJ-JJ`: copula LCD monitor](product/GULDJ-JJ.md)  `#WEB:http://kururusky.com/?p=1458 #WEB:https://page.auctions.yahoo.co.jp/jp/auction/h548227658`
   - `GCLDJ-JK`: copula conversion kit  `#WEB:https://page.auctions.yahoo.co.jp/jp/auction/q1025004961`
   - `GULDJ-JL`: SINOBUZ version up kit