diff --git a/sonoff/language/bg-BG.h b/sonoff/language/bg-BG.h
index e5845f61468e..dd2f9fe56eca 100644
--- a/sonoff/language/bg-BG.h
+++ b/sonoff/language/bg-BG.h
@@ -477,8 +477,8 @@
 #define D_SENSOR_SBR_TX   "SerBr Tx"
 #define D_SENSOR_SR04_TRIG "SR04 Tri"
 #define D_SENSOR_SR04_ECHO "SR04 Ech"
-#define D_SENSOR_SDM120_TX "SDM120\220 Tx"
-#define D_SENSOR_SDM120_RX "SDM120\220 Rx"
+#define D_SENSOR_SDM120_TX "SDM120/220 Tx"
+#define D_SENSOR_SDM120_RX "SDM120/220 Rx"
 #define D_SENSOR_SDM630_TX "SDM630 Tx"
 #define D_SENSOR_SDM630_RX "SDM630 Rx"
 #define D_SENSOR_TM1638_CLK "TM16 CLK"
diff --git a/sonoff/language/cs-CZ.h b/sonoff/language/cs-CZ.h
index 7c81d44b3a37..4be723502185 100644
--- a/sonoff/language/cs-CZ.h
+++ b/sonoff/language/cs-CZ.h
@@ -477,8 +477,8 @@
 #define D_SENSOR_SBR_TX   "SerBr Tx"
 #define D_SENSOR_SR04_TRIG "SR04 Tri"
 #define D_SENSOR_SR04_ECHO "SR04 Ech"
-#define D_SENSOR_SDM120_TX "SDM120\220 Tx"
-#define D_SENSOR_SDM120_RX "SDM120\220 Rx"
+#define D_SENSOR_SDM120_TX "SDM120/220 Tx"
+#define D_SENSOR_SDM120_RX "SDM120/220 Rx"
 #define D_SENSOR_SDM630_TX "SDM630 Tx"
 #define D_SENSOR_SDM630_RX "SDM630 Rx"
 #define D_SENSOR_TM1638_CLK "TM16 CLK"
diff --git a/sonoff/language/de-DE.h b/sonoff/language/de-DE.h
index 7a176a2f002c..39ae8421698c 100644
--- a/sonoff/language/de-DE.h
+++ b/sonoff/language/de-DE.h
@@ -477,8 +477,8 @@
 #define D_SENSOR_SBR_TX   "SerBr Tx"
 #define D_SENSOR_SR04_TRIG "SR04 Tri"
 #define D_SENSOR_SR04_ECHO "SR04 Ech"
-#define D_SENSOR_SDM120_TX "SDM120\220 Tx"
-#define D_SENSOR_SDM120_RX "SDM120\220 Rx"
+#define D_SENSOR_SDM120_TX "SDM120/220 Tx"
+#define D_SENSOR_SDM120_RX "SDM120/220 Rx"
 #define D_SENSOR_SDM630_TX "SDM630 Tx"
 #define D_SENSOR_SDM630_RX "SDM630 Rx"
 #define D_SENSOR_TM1638_CLK "TM16 CLK"
diff --git a/sonoff/language/el-GR.h b/sonoff/language/el-GR.h
index a6088ca26c83..cc90925b3f80 100644
--- a/sonoff/language/el-GR.h
+++ b/sonoff/language/el-GR.h
@@ -477,8 +477,8 @@
 #define D_SENSOR_SBR_TX   "SerBr Tx"
 #define D_SENSOR_SR04_TRIG "SR04 Tri"
 #define D_SENSOR_SR04_ECHO "SR04 Ech"
-#define D_SENSOR_SDM120_TX "SDM120\220 Tx"
-#define D_SENSOR_SDM120_RX "SDM120\220 Rx"
+#define D_SENSOR_SDM120_TX "SDM120/220 Tx"
+#define D_SENSOR_SDM120_RX "SDM120/220 Rx"
 #define D_SENSOR_SDM630_TX "SDM630 Tx"
 #define D_SENSOR_SDM630_RX "SDM630 Rx"
 #define D_SENSOR_TM1638_CLK "TM16 CLK"
diff --git a/sonoff/language/en-GB.h b/sonoff/language/en-GB.h
index b57e252cf701..a7252a050ed9 100644
--- a/sonoff/language/en-GB.h
+++ b/sonoff/language/en-GB.h
@@ -477,8 +477,8 @@
 #define D_SENSOR_SBR_TX   "SerBr Tx"
 #define D_SENSOR_SR04_TRIG "SR04 Tri"
 #define D_SENSOR_SR04_ECHO "SR04 Ech"
-#define D_SENSOR_SDM120_TX "SDM120\220 Tx"
-#define D_SENSOR_SDM120_RX "SDM120\220 Rx"
+#define D_SENSOR_SDM120_TX "SDM120/220 Tx"
+#define D_SENSOR_SDM120_RX "SDM120/220 Rx"
 #define D_SENSOR_SDM630_TX "SDM630 Tx"
 #define D_SENSOR_SDM630_RX "SDM630 Rx"
 #define D_SENSOR_TM1638_CLK "TM16 CLK"
diff --git a/sonoff/language/es-AR.h b/sonoff/language/es-AR.h
index 7f6446671c60..9e4ee9055d56 100644
--- a/sonoff/language/es-AR.h
+++ b/sonoff/language/es-AR.h
@@ -477,8 +477,8 @@
 #define D_SENSOR_SBR_TX   "SerBr Tx"
 #define D_SENSOR_SR04_TRIG "SR04 Tri"
 #define D_SENSOR_SR04_ECHO "SR04 Ech"
-#define D_SENSOR_SDM120_TX "SDM120\220 Tx"
-#define D_SENSOR_SDM120_RX "SDM120\220 Rx"
+#define D_SENSOR_SDM120_TX "SDM120/220 Tx"
+#define D_SENSOR_SDM120_RX "SDM120/220 Rx"
 #define D_SENSOR_SDM630_TX "SDM630 Tx"
 #define D_SENSOR_SDM630_RX "SDM630 Rx"
 #define D_SENSOR_TM1638_CLK "TM16 CLK"
diff --git a/sonoff/language/fr-FR.h b/sonoff/language/fr-FR.h
index 3068f3de60e2..d5d5b9a75386 100644
--- a/sonoff/language/fr-FR.h
+++ b/sonoff/language/fr-FR.h
@@ -477,8 +477,8 @@
 #define D_SENSOR_SBR_TX   "SerBr Tx"
 #define D_SENSOR_SR04_TRIG "SR04 Tri"
 #define D_SENSOR_SR04_ECHO "SR04 Ech"
-#define D_SENSOR_SDM120_TX "SDM120\220 Tx"
-#define D_SENSOR_SDM120_RX "SDM120\220 Rx"
+#define D_SENSOR_SDM120_TX "SDM120/220 Tx"
+#define D_SENSOR_SDM120_RX "SDM120/220 Rx"
 #define D_SENSOR_SDM630_TX "SDM630 Tx"
 #define D_SENSOR_SDM630_RX "SDM630 Rx"
 #define D_SENSOR_TM1638_CLK "TM16 CLK"
diff --git a/sonoff/language/hu-HU.h b/sonoff/language/hu-HU.h
index c2b2f6251285..7c452c251ec3 100644
--- a/sonoff/language/hu-HU.h
+++ b/sonoff/language/hu-HU.h
@@ -477,8 +477,8 @@
 #define D_SENSOR_SBR_TX   "SerBr Tx"
 #define D_SENSOR_SR04_TRIG "SR04 Tri"
 #define D_SENSOR_SR04_ECHO "SR04 Ech"
-#define D_SENSOR_SDM120_TX "SDM120\220 Tx"
-#define D_SENSOR_SDM120_RX "SDM120\220 Rx"
+#define D_SENSOR_SDM120_TX "SDM120/220 Tx"
+#define D_SENSOR_SDM120_RX "SDM120/220 Rx"
 #define D_SENSOR_SDM630_TX "SDM630 Tx"
 #define D_SENSOR_SDM630_RX "SDM630 Rx"
 #define D_SENSOR_TM1638_CLK "TM16 CLK"
diff --git a/sonoff/language/it-IT.h b/sonoff/language/it-IT.h
index 8b23d99c2849..b3e88f41ad0c 100644
--- a/sonoff/language/it-IT.h
+++ b/sonoff/language/it-IT.h
@@ -477,8 +477,8 @@
 #define D_SENSOR_SBR_TX   "SerBr Tx"
 #define D_SENSOR_SR04_TRIG "SR04 Tri"
 #define D_SENSOR_SR04_ECHO "SR04 Ech"
-#define D_SENSOR_SDM120_TX "SDM120\220 Tx"
-#define D_SENSOR_SDM120_RX "SDM120\220 Rx"
+#define D_SENSOR_SDM120_TX "SDM120/220 Tx"
+#define D_SENSOR_SDM120_RX "SDM120/220 Rx"
 #define D_SENSOR_SDM630_TX "SDM630 Tx"
 #define D_SENSOR_SDM630_RX "SDM630 Rx"
 #define D_SENSOR_TM1638_CLK "TM16 CLK"
diff --git a/sonoff/language/nl-NL.h b/sonoff/language/nl-NL.h
index 4a9460ebcdcc..837e561a45b2 100644
--- a/sonoff/language/nl-NL.h
+++ b/sonoff/language/nl-NL.h
@@ -477,8 +477,8 @@
 #define D_SENSOR_SBR_TX   "SerBr Tx"
 #define D_SENSOR_SR04_TRIG "SR04 Tri"
 #define D_SENSOR_SR04_ECHO "SR04 Ech"
-#define D_SENSOR_SDM120_TX "SDM120\220 Tx"
-#define D_SENSOR_SDM120_RX "SDM120\220 Rx"
+#define D_SENSOR_SDM120_TX "SDM120/220 Tx"
+#define D_SENSOR_SDM120_RX "SDM120/220 Rx"
 #define D_SENSOR_SDM630_TX "SDM630 Tx"
 #define D_SENSOR_SDM630_RX "SDM630 Rx"
 #define D_SENSOR_TM1638_CLK "TM16 CLK"
diff --git a/sonoff/language/pl-PL.h b/sonoff/language/pl-PL.h
index 8b16eb18ce2f..5a3563023b19 100644
--- a/sonoff/language/pl-PL.h
+++ b/sonoff/language/pl-PL.h
@@ -477,8 +477,8 @@
 #define D_SENSOR_SBR_TX   "SerBr Tx"
 #define D_SENSOR_SR04_TRIG "SR04 Tri"
 #define D_SENSOR_SR04_ECHO "SR04 Ech"
-#define D_SENSOR_SDM120_TX "SDM120\220 Tx"
-#define D_SENSOR_SDM120_RX "SDM120\220 Rx"
+#define D_SENSOR_SDM120_TX "SDM120/220 Tx"
+#define D_SENSOR_SDM120_RX "SDM120/220 Rx"
 #define D_SENSOR_SDM630_TX "SDM630 Tx"
 #define D_SENSOR_SDM630_RX "SDM630 Rx"
 #define D_SENSOR_TM1638_CLK "TM16 CLK"
diff --git a/sonoff/language/pt-BR.h b/sonoff/language/pt-BR.h
index 69c87a0b4b2f..65047b668358 100644
--- a/sonoff/language/pt-BR.h
+++ b/sonoff/language/pt-BR.h
@@ -477,8 +477,8 @@
 #define D_SENSOR_SBR_TX   "SerBr Tx"
 #define D_SENSOR_SR04_TRIG "SR04 Tri"
 #define D_SENSOR_SR04_ECHO "SR04 Ech"
-#define D_SENSOR_SDM120_TX "SDM120\220 Tx"
-#define D_SENSOR_SDM120_RX "SDM120\220 Rx"
+#define D_SENSOR_SDM120_TX "SDM120/220 Tx"
+#define D_SENSOR_SDM120_RX "SDM120/220 Rx"
 #define D_SENSOR_SDM630_TX "SDM630 Tx"
 #define D_SENSOR_SDM630_RX "SDM630 Rx"
 #define D_SENSOR_TM1638_CLK "TM16 CLK"
diff --git a/sonoff/language/pt-PT.h b/sonoff/language/pt-PT.h
index f387d868985c..81230295d91b 100644
--- a/sonoff/language/pt-PT.h
+++ b/sonoff/language/pt-PT.h
@@ -477,8 +477,8 @@
 #define D_SENSOR_SBR_TX   "SerBr Tx"
 #define D_SENSOR_SR04_TRIG "SR04 Tri"
 #define D_SENSOR_SR04_ECHO "SR04 Ech"
-#define D_SENSOR_SDM120_TX "SDM120\220 Tx"
-#define D_SENSOR_SDM120_RX "SDM120\220 Rx"
+#define D_SENSOR_SDM120_TX "SDM120/220 Tx"
+#define D_SENSOR_SDM120_RX "SDM120/220 Rx"
 #define D_SENSOR_SDM630_TX "SDM630 Tx"
 #define D_SENSOR_SDM630_RX "SDM630 Rx"
 #define D_SENSOR_TM1638_CLK "TM16 CLK"
diff --git a/sonoff/language/ru-RU.h b/sonoff/language/ru-RU.h
index e55484f6eafa..aecfc2336da1 100644
--- a/sonoff/language/ru-RU.h
+++ b/sonoff/language/ru-RU.h
@@ -477,8 +477,8 @@
 #define D_SENSOR_SBR_TX   "SerBr Tx"
 #define D_SENSOR_SR04_TRIG "SR04 Tri"
 #define D_SENSOR_SR04_ECHO "SR04 Ech"
-#define D_SENSOR_SDM120_TX "SDM120\220 Tx"
-#define D_SENSOR_SDM120_RX "SDM120\220 Rx"
+#define D_SENSOR_SDM120_TX "SDM120/220 Tx"
+#define D_SENSOR_SDM120_RX "SDM120/220 Rx"
 #define D_SENSOR_SDM630_TX "SDM630 Tx"
 #define D_SENSOR_SDM630_RX "SDM630 Rx"
 #define D_SENSOR_TM1638_CLK "TM16 CLK"
diff --git a/sonoff/language/tr-TR.h b/sonoff/language/tr-TR.h
index 1cf39f64f68d..82e37ffb36af 100755
--- a/sonoff/language/tr-TR.h
+++ b/sonoff/language/tr-TR.h
@@ -477,8 +477,8 @@
 #define D_SENSOR_SBR_TX   "SerBr Tx"
 #define D_SENSOR_SR04_TRIG "SR04 Tri"
 #define D_SENSOR_SR04_ECHO "SR04 Ech"
-#define D_SENSOR_SDM120_TX "SDM120\220 Tx"
-#define D_SENSOR_SDM120_RX "SDM120\220 Rx"
+#define D_SENSOR_SDM120_TX "SDM120/220 Tx"
+#define D_SENSOR_SDM120_RX "SDM120/220 Rx"
 #define D_SENSOR_SDM630_TX "SDM630 Tx"
 #define D_SENSOR_SDM630_RX "SDM630 Rx"
 #define D_SENSOR_TM1638_CLK "TM16 CLK"
diff --git a/sonoff/language/uk-UK.h b/sonoff/language/uk-UK.h
index 1adbd249e580..a6844c6f4af1 100644
--- a/sonoff/language/uk-UK.h
+++ b/sonoff/language/uk-UK.h
@@ -477,8 +477,8 @@
 #define D_SENSOR_SBR_TX   "SerBr Tx"
 #define D_SENSOR_SR04_TRIG "SR04 Tri"
 #define D_SENSOR_SR04_ECHO "SR04 Ech"
-#define D_SENSOR_SDM120_TX "SDM120\220 Tx"
-#define D_SENSOR_SDM120_RX "SDM120\220 Rx"
+#define D_SENSOR_SDM120_TX "SDM120/220 Tx"
+#define D_SENSOR_SDM120_RX "SDM120/220 Rx"
 #define D_SENSOR_SDM630_TX "SDM630 Tx"
 #define D_SENSOR_SDM630_RX "SDM630 Rx"
 #define D_SENSOR_TM1638_CLK "TM16 CLK"
diff --git a/sonoff/language/zh-CN.h b/sonoff/language/zh-CN.h
index 50c16a5a5361..f3723921b554 100644
--- a/sonoff/language/zh-CN.h
+++ b/sonoff/language/zh-CN.h
@@ -477,8 +477,8 @@
 #define D_SENSOR_SBR_TX   "SerBr Tx"
 #define D_SENSOR_SR04_TRIG "SR04 Tri"
 #define D_SENSOR_SR04_ECHO "SR04 Ech"
-#define D_SENSOR_SDM120_TX "SDM120\220 Tx"
-#define D_SENSOR_SDM120_RX "SDM120\220 Rx"
+#define D_SENSOR_SDM120_TX "SDM120/220 Tx"
+#define D_SENSOR_SDM120_RX "SDM120/220 Rx"
 #define D_SENSOR_SDM630_TX "SDM630 Tx"
 #define D_SENSOR_SDM630_RX "SDM630 Rx"
 #define D_SENSOR_TM1638_CLK "TM16 CLK"
diff --git a/sonoff/language/zh-TW.h b/sonoff/language/zh-TW.h
index a1fca0db57f7..8a8e9b3fceab 100644
--- a/sonoff/language/zh-TW.h
+++ b/sonoff/language/zh-TW.h
@@ -477,8 +477,8 @@
 #define D_SENSOR_SBR_TX   "SerBr Tx"
 #define D_SENSOR_SR04_TRIG "SR04 Tri"
 #define D_SENSOR_SR04_ECHO "SR04 Ech"
-#define D_SENSOR_SDM120_TX "SDM120\220 Tx"
-#define D_SENSOR_SDM120_RX "SDM120\220 Rx"
+#define D_SENSOR_SDM120_TX "SDM120/220 Tx"
+#define D_SENSOR_SDM120_RX "SDM120/220 Rx"
 #define D_SENSOR_SDM630_TX "SDM630 Tx"
 #define D_SENSOR_SDM630_RX "SDM630 Rx"
 #define D_SENSOR_TM1638_CLK "TM16 CLK"
diff --git a/sonoff/sonoff_template.h b/sonoff/sonoff_template.h
index f181987f7856..d45dd52afa3d 100644
--- a/sonoff/sonoff_template.h
+++ b/sonoff/sonoff_template.h
@@ -167,7 +167,6 @@ const char kSensorNames[] PROGMEM =
   D_SENSOR_SBR_TX "|" D_SENSOR_SBR_RX "|"
   D_SENSOR_SR04_TRIG "|" D_SENSOR_SR04_ECHO "|"
   D_SENSOR_SDM120_TX "|" D_SENSOR_SDM120_RX "|"
-  D_SENSOR_SDM220_TX "|" D_SENSOR_SDM220_RX "|"
   D_SENSOR_SDM630_TX "|" D_SENSOR_SDM630_RX "|"
   D_SENSOR_TM1638_CLK "|" D_SENSOR_TM1638_DIO "|" D_SENSOR_TM1638_STB "|"
   D_SENSOR_SWITCH "1n|" D_SENSOR_SWITCH "2n|" D_SENSOR_SWITCH "3n|" D_SENSOR_SWITCH "4n|" D_SENSOR_SWITCH "5n|" D_SENSOR_SWITCH "6n|" D_SENSOR_SWITCH "7n|" D_SENSOR_SWITCH "8n|"
diff --git a/sonoff/user_config.h b/sonoff/user_config.h
index f61f96d5e482..134b5fd8b819 100644
--- a/sonoff/user_config.h
+++ b/sonoff/user_config.h
@@ -338,9 +338,9 @@
 #define USE_NOVA_SDS                             // Add support for SDS011 and SDS021 particle concentration sensor (+0k7 code)
 #define USE_PZEM004T                             // Add support for PZEM004T Energy monitor (+2k code)
 #define USE_SERIAL_BRIDGE                        // Add support for software Serial Bridge (+0k8 code)
-//#define USE_SDM120                               // Add support for Eastron SDM120\SDM220-Modbus energy meter (+1k7 code)
+#define USE_SDM120                               // Add support for Eastron SDM120\SDM220-Modbus energy meter (+1k7 code)
   #define SDM120_SPEED         9600              // SDM120-Modbus RS485 serial speed (default: 2400 baud)
-  #define USE_SDM220				 // add extra parameters from SDM220	
+  #define USE_SDM220                             // add extra parameters for SDM220 (+0k1 code)
 //#define USE_SDM630                               // Add support for Eastron SDM630-Modbus energy meter (+2k code)
   #define SDM630_SPEED         9600              // SDM630-Modbus RS485 serial speed (default: 9600 baud)