diff --git a/code/espurna/config/arduino.h b/code/espurna/config/arduino.h
index 0d4481f3..e770fe20 100644
--- a/code/espurna/config/arduino.h
+++ b/code/espurna/config/arduino.h
@@ -83,6 +83,7 @@
 //#define ALLNET_4DUINO_IOT_WLAN_RELAIS
 //#define TONBUX_MOSQUITO_KILLER
 //#define NEO_COOLCAM_POWER_PLUG_WIFI
+//#define ESTINK_WIFI_POWER_STRIP
 
 //--------------------------------------------------------------------------------
 // Features (values below are non-default values)
diff --git a/code/espurna/config/hardware.h b/code/espurna/config/hardware.h
index 71aaa864..e4594a17 100644
--- a/code/espurna/config/hardware.h
+++ b/code/espurna/config/hardware.h
@@ -2135,6 +2135,59 @@
     #define LED1_PIN            4
     #define LED1_PIN_INVERSE    1
 
+
+// ------------------------------------------------------------------------------
+// Estink Wifi Power Strip
+// https://www.amazon.de/Steckdosenleiste-Ladeger%C3%A4t-Sprachsteuerung-SmartphonesTablets-Android/dp/B0796W5FZY
+// Fornorm Wi-Fi USB Extension Socket (ZLD-34EU)
+// https://www.aliexpress.com/item/Fornorm-WiFi-Extension-Socket-with-Surge-Protector-Smart-Power-Strip-3-Outlets-and-4-USB-Charging/32849743948.html
+// -----------------------------------------------------------------------------
+
+#elif defined(ESTINK_WIFI_POWER_STRIP)
+
+    // Info
+    #define MANUFACTURER        "ESTINK"
+    #define DEVICE              "WIFI_POWER_STRIP"
+
+    // Disable UART noise since this board uses GPIO3
+    #define DEBUG_SERIAL_SUPPORT    0
+
+    // Buttons
+    #define BUTTON1_PIN         16
+    #define BUTTON1_MODE        BUTTON_PUSHBUTTON | BUTTON_DEFAULT_HIGH
+    #define BUTTON1_RELAY       4
+
+    // Relays
+    #define RELAY1_PIN          14  // USB power
+    #define RELAY2_PIN          13  // power plug 1
+    #define RELAY3_PIN          4   // power plug 2
+    #define RELAY4_PIN          15  // power plug 3
+
+    #define RELAY1_TYPE         RELAY_TYPE_NORMAL
+    #define RELAY2_TYPE         RELAY_TYPE_NORMAL
+    #define RELAY3_TYPE         RELAY_TYPE_NORMAL
+    #define RELAY4_TYPE         RELAY_TYPE_NORMAL
+
+    // LEDs
+    #define LED1_PIN            0   // power led
+    #define LED2_PIN            12  // power plug 1
+    #define LED3_PIN            3   // power plug 2
+    #define LED4_PIN            5   // power plug 3
+
+    #define LED1_PIN_INVERSE    1
+    #define LED2_PIN_INVERSE    1
+    #define LED3_PIN_INVERSE    1
+    #define LED4_PIN_INVERSE    1
+
+    #define LED1_MODE           LED_MODE_FINDME
+    #define LED2_MODE           LED_MODE_FOLLOW
+    #define LED3_MODE           LED_MODE_FOLLOW
+    #define LED4_MODE           LED_MODE_FOLLOW
+
+    #define LED2_RELAY          2
+    #define LED3_RELAY          3
+    #define LED4_RELAY          4
+
 // -----------------------------------------------------------------------------
 // TEST boards (do not use!!)
 // -----------------------------------------------------------------------------
diff --git a/code/espurna/migrate.ino b/code/espurna/migrate.ino
index 9d38aa69..5ea604b3 100644
--- a/code/espurna/migrate.ino
+++ b/code/espurna/migrate.ino
@@ -963,6 +963,35 @@ void migrate() {
             setSetting("relayGPIO", 0, 12);
             setSetting("relayType", 0, RELAY_TYPE_NORMAL);
 
+        #elif defined(ESTINK_WIFI_POWER_STRIP)
+
+            setSetting("board", 76);
+            setSetting("btnGPIO", 0, 16);
+            setSetting("btnRelay", 0, 3);
+            setSetting("ledGPIO", 0, 0);
+            setSetting("ledGPIO", 1, 12);
+            setSetting("ledGPIO", 2, 3);
+            setSetting("ledGPIO", 3, 5);
+            setSetting("ledLogic", 0, 1);
+            setSetting("ledLogic", 1, 1);
+            setSetting("ledLogic", 2, 1);
+            setSetting("ledLogic", 3, 1);
+            setSetting("ledMode", 0, LED_MODE_FINDME);
+            setSetting("ledMode", 1, LED_MODE_FOLLOW);
+            setSetting("ledMode", 2, LED_MODE_FOLLOW);
+            setSetting("ledMode", 3, LED_MODE_FOLLOW);
+            setSetting("ledRelay", 1, 1);
+            setSetting("ledRelay", 2, 2);
+            setSetting("ledRelay", 3, 3);
+            setSetting("relayGPIO", 0, 14);
+            setSetting("relayGPIO", 1, 13);
+            setSetting("relayGPIO", 2, 4);
+            setSetting("relayGPIO", 3, 15);
+            setSetting("relayType", 0, RELAY_TYPE_NORMAL);
+            setSetting("relayType", 1, RELAY_TYPE_NORMAL);
+            setSetting("relayType", 2, RELAY_TYPE_NORMAL);
+            setSetting("relayType", 3, RELAY_TYPE_NORMAL);
+
         #else
 
             // Allow users to define new settings without migration config
diff --git a/code/espurna/utils.ino b/code/espurna/utils.ino
index c3b092a5..7eaee736 100644
--- a/code/espurna/utils.ino
+++ b/code/espurna/utils.ino
@@ -52,6 +52,10 @@ String getCoreRevision() {
     #endif
 }
 
+unsigned long maxSketchSpace() {
+    return (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
+}
+
 // WTF
 // Calling ESP.getFreeHeap() is making the system crash on a specific
 // AiLight bulb, but anywhere else...
@@ -235,9 +239,9 @@ void info() {
     DEBUG_MSG_P(PSTR("[INIT] Flash size (CHIP): %8u bytes\n"), ESP.getFlashChipRealSize());
     DEBUG_MSG_P(PSTR("[INIT] Flash size (SDK):  %8u bytes / %4d sectors\n"), ESP.getFlashChipSize(), sectors(ESP.getFlashChipSize()));
     DEBUG_MSG_P(PSTR("[INIT] Firmware size:     %8u bytes / %4d sectors\n"), ESP.getSketchSize(), sectors(ESP.getSketchSize()));
-    DEBUG_MSG_P(PSTR("[INIT] OTA size:          %8u bytes / %4d sectors\n"), ESP.getFreeSketchSpace(), sectors(ESP.getFreeSketchSpace()));
+    DEBUG_MSG_P(PSTR("[INIT] Max OTA size:      %8u bytes / %4d sectors\n"), maxSketchSpace(), sectors(maxSketchSpace()));
     DEBUG_MSG_P(PSTR("[INIT] EEPROM size:       %8u bytes / %4d sectors\n"), settingsMaxSize(), sectors(settingsMaxSize()));
-    DEBUG_MSG_P(PSTR("[INIT] Empty space:       %8u bytes /   4 sectors\n"), 4 * SPI_FLASH_SEC_SIZE);
+    DEBUG_MSG_P(PSTR("[INIT] Empty space:       %8u bytes /    4 sectors\n"), 4 * SPI_FLASH_SEC_SIZE);
     DEBUG_MSG_P(PSTR("\n"));
 
     // -------------------------------------------------------------------------
diff --git a/code/platformio.ini b/code/platformio.ini
index e4b34aab..384223a2 100644
--- a/code/platformio.ini
+++ b/code/platformio.ini
@@ -2005,6 +2005,30 @@ upload_port = "${env.ESPURNA_IP}"
 upload_flags = --auth=${env.ESPURNA_AUTH} --port 8266
 extra_scripts = ${common.extra_scripts}
 
+[env:estink-wifi-power-strip]
+platform = ${common.platform}
+framework = arduino
+board = esp01_1m
+board_flash_mode = dout
+lib_deps = ${common.lib_deps}
+lib_ignore = ${common.lib_ignore}
+build_flags = ${common.build_flags} -DESTINK_WIFI_POWER_STRIP
+monitor_baud = 115200
+extra_scripts = ${common.extra_scripts}
+
+[env:estink-wifi-power-strip-ota]
+platform = ${common.platform}
+framework = arduino
+board = esp01_1m
+board_flash_mode = dout
+lib_deps = ${common.lib_deps}
+lib_ignore = ${common.lib_ignore}
+build_flags = ${common.build_flags} -DESTINK_WIFI_POWER_STRIP
+upload_speed = 115200
+upload_port = "${env.ESPURNA_IP}"
+upload_flags = --auth=${env.ESPURNA_AUTH} --port 8266
+extra_scripts = ${common.extra_scripts}
+
 # ------------------------------------------------------------------------------
 # GENERIC OTA ENVIRONMENTS
 # ------------------------------------------------------------------------------