diff --git a/lib/obp60task/GwOBP60Task.cpp b/lib/obp60task/GwOBP60Task.cpp
index 8173c1e..7a9d154 100644
--- a/lib/obp60task/GwOBP60Task.cpp
+++ b/lib/obp60task/GwOBP60Task.cpp
@@ -119,7 +119,10 @@ void OBP60Init(GwApi *api){
     GwLog *logger=api->getLogger();
 
     // Define timer interrupts
-    Timer1.attach_ms(1, underVoltageDetection);     // Maximum speed with 1ms
+    bool uvoltage = api->getConfig()->getConfigItem(api->getConfig()->underVoltage,true)->asBoolean();
+    if(uvoltage == true){
+        Timer1.attach_ms(1, underVoltageDetection);     // Maximum speed with 1ms
+    }
     Timer2.attach_ms(40, readKeypad);               // Timer value nust grater than 30ms
     Timer3.attach_ms(500, blinkingFlashLED); 
 
diff --git a/lib/obp60task/config.json b/lib/obp60task/config.json
index deb87d6..0a936b4 100644
--- a/lib/obp60task/config.json
+++ b/lib/obp60task/config.json
@@ -285,6 +285,17 @@
             "obp60":"true"
         }
     },
+    {
+        "name": "underVoltage",
+        "label": "Undervoltage",
+        "type": "boolean",
+        "default": "false",
+        "description": "If undervoltage detection [on|off] lower than 9V then switch off the device",
+        "category": "OBP60 Hardware",
+        "capabilities": {
+            "obp60":"true"
+        }
+    },
     {
         "name": "useSimuData",
         "label": "Simulation Data",