diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6743e7de7..fe214244f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ All notable changes to this project will be documented in this file.
 ### Added
 - Matter support simple Relay on Apple Homekit by Stephan Hadinger (#18239)
 - VSC Pio menu bar extensions by @Jason2866 (#18233)
+- Command ``SwitchMode0`` to show or set all SwitchModes
 
 ### Breaking Changed
 
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index d26fc42d8..065a2dbed 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -112,6 +112,7 @@ The latter links can be used for OTA upgrades too like ``OtaUrl https://ota.tasm
 
 ## Changelog v12.4.0.4
 ### Added
+- Command ``SwitchMode0`` to show or set all SwitchModes
 - Support for multiple MCP23008/MCP23017/MCP23S17 as switch/button/relay
 - Support for multiple PCF8574 as switch/button/relay
 - NTP time request from gateway [#17984](https://github.com/arendst/Tasmota/issues/17984)
diff --git a/tasmota/tasmota_support/support_command.ino b/tasmota/tasmota_support/support_command.ino
index 8215ab71c..34d6b4611 100644
--- a/tasmota/tasmota_support/support_command.ino
+++ b/tasmota/tasmota_support/support_command.ino
@@ -2139,14 +2139,31 @@ void CmndSwitchText(void) {
   }
 }
 
-void CmndSwitchMode(void)
-{
+void CmndSwitchMode(void) {
   if ((XdrvMailbox.index > 0) && (XdrvMailbox.index <= MAX_SWITCHES_SET)) {
+    // SwitchMode1   - Show SwitchMode1
+    // SwitchMode1 2 - Set SwitchMode tot 2
     if ((XdrvMailbox.payload >= 0) && (XdrvMailbox.payload < MAX_SWITCH_OPTION)) {
       Settings->switchmode[XdrvMailbox.index -1] = XdrvMailbox.payload;
     }
     ResponseCmndIdxNumber(Settings->switchmode[XdrvMailbox.index-1]);
   }
+  else if (0 == XdrvMailbox.index) {
+    // SwitchMode0   - Show all SwitchMode like {"SwitchMode":[2,2,2,2,2,2,2,2,2,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]}
+    // SwitchMode0 2 - Set all SwitchMode to 2
+    if ((XdrvMailbox.payload >= 0) && (XdrvMailbox.payload < MAX_SWITCH_OPTION)) {
+      for (uint32_t i = 0; i < MAX_SWITCHES_SET; i++) {
+        Settings->switchmode[i] = XdrvMailbox.payload;
+      }
+    }
+    char stemp[MAX_SWITCHES_SET * 3];
+    stemp[0] = '\0';
+    for (uint32_t i = 0; i < MAX_SWITCHES_SET; i++) {
+      snprintf_P(stemp, sizeof(stemp), PSTR("%s%s%d" ), stemp, (i > 0 ? "," : "["), Settings->switchmode[i]);
+    }
+    strcat(stemp, "]");
+    Response_P(S_JSON_COMMAND_XVALUE, XdrvMailbox.command, stemp);
+  }
 }
 
 void CmndInterlock(void)