diff --git a/konami/product/GULDJ-JJ.md b/konami/product/GULDJ-JJ.md
index 7593e84..d792187 100644
--- a/konami/product/GULDJ-JJ.md
+++ b/konami/product/GULDJ-JJ.md
@@ -1,13 +1,16 @@
 # `GULDJ-JJ`: Beatmania IIDX COPULA LCD monitor
 
 * "COPULA LCD"
+* Panel: ???
 * 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: ???
+* Native resolution: 1280x720
 * Input: VGA, DVI
 * Known "manufacturing numbers" (`_` are redacted parts creating the unique identifier)
   * `LDJUJJM_____` #WEB:https://twitter.com/kururusky/status/1601190433240936449/photo/1`