diff --git a/client/index.html b/client/index.html
index 3cfd7fb..7f8df3c 100644
--- a/client/index.html
+++ b/client/index.html
@@ -53,6 +53,7 @@
         <p><b>Shift+I:</b> List items</p>
         <p><b>A:</b> Add item</p>
         <p><b>O:</b> Edit item properties</p>
+        <p><b>Shift+O:</b> Read all item properties</p>
         <p><b>D:</b> Pick up/drop item</p>
         <p><b>Shift+D:</b> Delete item</p>
         <p><b>U:</b> Use item</p>
diff --git a/client/public/version.js b/client/public/version.js
index 1535e81..fca52e0 100644
--- a/client/public/version.js
+++ b/client/public/version.js
@@ -1,3 +1,3 @@
 // Maintainer-controlled web client version.
 // Format: YYYY.MM.DD Rn (example: 2026.02.20 R2)
-window.CHGRID_WEB_VERSION = "2026.02.20 R61";
+window.CHGRID_WEB_VERSION = "2026.02.20 R62";
diff --git a/client/src/main.ts b/client/src/main.ts
index 9f16d37..d4fbd20 100644
--- a/client/src/main.ts
+++ b/client/src/main.ts
@@ -85,6 +85,10 @@ dom.appVersion.textContent = APP_VERSION
   ? `Another AI experiment with Jage. Version ${APP_VERSION}`
   : 'Another AI experiment with Jage. Version unknown';
 const ITEM_TYPE_SEQUENCE: ItemType[] = ['radio_station', 'dice'];
+const ITEM_TYPE_GLOBAL_PROPERTIES: Record<ItemType, Record<string, string | number | boolean>> = {
+  radio_station: { useCooldownMs: 1000 },
+  dice: { useCooldownMs: 1000 },
+};
 const APP_BASE_URL = import.meta.env.BASE_URL || '/';
 function withBase(path: string): string {
   const normalizedBase = APP_BASE_URL.endsWith('/') ? APP_BASE_URL : `${APP_BASE_URL}/`;
@@ -311,7 +315,7 @@ function getCarriedItem(): WorldItem | null {
   return Array.from(state.items.values()).find((item) => item.carrierId === state.player.id) || null;
 }
 
-function beginItemSelection(context: 'pickup' | 'delete' | 'edit' | 'use', items: WorldItem[]): void {
+function beginItemSelection(context: 'pickup' | 'delete' | 'edit' | 'use' | 'inspect', items: WorldItem[]): void {
   if (items.length === 0) {
     updateStatus('No items available.');
     audio.sfxUiCancel();
@@ -345,6 +349,25 @@ function useItem(item: WorldItem): void {
   signaling.send({ type: 'item_use', itemId: item.id });
 }
 
+function announceAllItemProperties(item: WorldItem): void {
+  const details: string[] = [];
+  details.push(`title: ${item.title}`);
+  details.push(`type: ${item.type}`);
+  details.push(`position: ${item.x}, ${item.y}`);
+  details.push(`carrierId: ${item.carrierId ?? 'none'}`);
+  details.push(`version: ${item.version}`);
+  details.push(`capabilities: ${item.capabilities.join(', ') || 'none'}`);
+  details.push(`useSound: ${item.useSound ?? 'none'}`);
+  for (const [key, value] of Object.entries(item.params).sort(([a], [b]) => a.localeCompare(b))) {
+    details.push(`${key}: ${String(value)}`);
+  }
+  const globalProperties = ITEM_TYPE_GLOBAL_PROPERTIES[item.type] ?? {};
+  for (const [key, value] of Object.entries(globalProperties).sort(([a], [b]) => a.localeCompare(b))) {
+    details.push(`${key}: ${String(value)} (global)`);
+  }
+  updateStatus(details.join('; '));
+}
+
 function releaseSharedRadioSource(streamUrl: string): void {
   const shared = sharedRadioSources.get(streamUrl);
   if (!shared) return;
@@ -1140,8 +1163,28 @@ function handleNormalModeInput(code: string, shiftKey: boolean): void {
 
   if (code === 'KeyO') {
     const squareItems = getItemsAtPosition(state.player.x, state.player.y);
+    const carried = getCarriedItem();
+    if (shiftKey) {
+      if (squareItems.length === 0) {
+        if (!carried) {
+          updateStatus('No item to inspect.');
+          audio.sfxUiCancel();
+          return;
+        }
+        announceAllItemProperties(carried);
+        audio.sfxUiBlip();
+        return;
+      }
+      if (squareItems.length === 1) {
+        announceAllItemProperties(squareItems[0]);
+        audio.sfxUiBlip();
+        return;
+      }
+      beginItemSelection('inspect', squareItems);
+      return;
+    }
+
     if (squareItems.length === 0) {
-      const carried = getCarriedItem();
       if (!carried) {
         updateStatus('No editable item here.');
         audio.sfxUiCancel();
@@ -1432,6 +1475,11 @@ function handleSelectItemModeInput(code: string): void {
       useItem(selected);
       return;
     }
+    if (context === 'inspect') {
+      announceAllItemProperties(selected);
+      audio.sfxUiBlip();
+      return;
+    }
     return;
   }
   if (code === 'Escape') {
diff --git a/client/src/state/gameState.ts b/client/src/state/gameState.ts
index 6eb7d33..bde474e 100644
--- a/client/src/state/gameState.ts
+++ b/client/src/state/gameState.ts
@@ -20,7 +20,7 @@ export type WorldItem = {
   carrierId?: string | null;
 };
 
-export type SelectionContext = 'pickup' | 'drop' | 'delete' | 'edit' | 'use' | null;
+export type SelectionContext = 'pickup' | 'drop' | 'delete' | 'edit' | 'use' | 'inspect' | null;
 
 export type GameMode =
   | 'normal'