diff --git a/custom_components/ecowater_softener/config_flow.py b/custom_components/ecowater_softener/config_flow.py
index 54be71e..987f0cf 100644
--- a/custom_components/ecowater_softener/config_flow.py
+++ b/custom_components/ecowater_softener/config_flow.py
@@ -13,7 +13,8 @@
 DATA_SCHEMA_USER = vol.Schema(
     {
         vol.Required("username"): str,
-        vol.Required("password"): str
+        vol.Required("password"): str,
+        vol.Required("dateformat"): vol.In(['dd/mm/yyyy', 'mm/dd/yyyy'])  # Añadir opción de formato de fecha
     }
 )
 
@@ -30,7 +31,9 @@ async def async_step_user(self, user_input: Optional[Dict[str, Any]] = None):
             self.data = user_input
 
             try:
-                ecowater_account = await self.hass.async_add_executor_job(lambda: ecowater_softener.EcowaterAccount(self.data["username"], self.data["password"]))
+                ecowater_account = await self.hass.async_add_executor_job(
+                    lambda: ecowater_softener.EcowaterAccount(self.data["username"], self.data["password"])
+                )
             except:
                 errors["base"] = "login_fail"
                 return self.async_show_form(
@@ -39,7 +42,9 @@ async def async_step_user(self, user_input: Optional[Dict[str, Any]] = None):
                     errors=errors
                 )
 
-            ecowater_devices = await self.hass.async_add_executor_job(lambda: ecowater_account.get_devices())
+            ecowater_devices = await self.hass.async_add_executor_job(
+                lambda: ecowater_account.get_devices()
+            )
 
             existing_entries = self._async_current_entries()
             configured_serial_numbers = {entry.data["device_serial_number"] for entry in existing_entries}
@@ -50,7 +55,6 @@ async def async_step_user(self, user_input: Optional[Dict[str, Any]] = None):
                 return self.async_abort(reason="no_available_devices")
 
             return await self.async_step_device()
-            
 
         return self.async_show_form(
             step_id="user", 
@@ -62,10 +66,14 @@ async def async_step_device(self, user_input: Optional[Dict[str, Any]] = None):
         if user_input is not None:
             self.data["device_serial_number"] = user_input["device_serial_number"]
 
-            return self.async_create_entry(title="Ecowater " + self.data["device_serial_number"], data=self.data)
+            # Crear entrada de configuración con el formato de fecha seleccionado
+            return self.async_create_entry(
+                title="Ecowater " + self.data["device_serial_number"], 
+                data=self.data  # Aquí se almacena también el formato de fecha elegido
+            )
         
         return self.async_show_form(
-            step_id="device", data_schema= vol.Schema({
+            step_id="device", data_schema=vol.Schema({
                 vol.Required("device_serial_number"): vol.In(self.device_list)
             })
-        )
\ No newline at end of file
+        )
diff --git a/custom_components/ecowater_softener/const.py b/custom_components/ecowater_softener/const.py
index 18e40fc..40c98f8 100644
--- a/custom_components/ecowater_softener/const.py
+++ b/custom_components/ecowater_softener/const.py
@@ -15,4 +15,6 @@
 RECHARGE_ENABLED = "recharge_enabled"
 RECHARGE_STATUS = "recharge_status"
 ROCK_REMOVED = "rock_removed"
-ROCK_REMOVED_DAILY_AVERAGE = "rock_removed_avg_daily"
\ No newline at end of file
+ROCK_REMOVED_DAILY_AVERAGE = "rock_removed_avg_daily"
+LAST_API_CALL_SUCCESSFUL = "last_api_call_successful"
+STATUS = "status"
diff --git a/custom_components/ecowater_softener/manifest.json b/custom_components/ecowater_softener/manifest.json
index d9ee56b..5f92b8a 100644
--- a/custom_components/ecowater_softener/manifest.json
+++ b/custom_components/ecowater_softener/manifest.json
@@ -7,6 +7,6 @@
   "documentation": "https://github.com/barleybobs/homeassistant-ecowater-softener/",
   "iot_class": "cloud_polling",
   "issue_tracker": "https://github.com/barleybobs/homeassistant-ecowater-softener/issues",
-  "requirements": ["ecowater-softener==2.1.3"],
-  "version": "4.0.0"
+  "requirements": ["ecowater-softener-test==2.2.2"],
+  "version": "4.2.0"
 }
diff --git a/custom_components/ecowater_softener/sensor.py b/custom_components/ecowater_softener/sensor.py
index 6ad1963..ec8aafd 100644
--- a/custom_components/ecowater_softener/sensor.py
+++ b/custom_components/ecowater_softener/sensor.py
@@ -1,5 +1,8 @@
 from dataclasses import dataclass
 
+import logging
+
+
 from homeassistant.helpers.entity import DeviceInfo
 from homeassistant.components.sensor import (
     SensorDeviceClass,
@@ -38,11 +41,15 @@
     RECHARGE_ENABLED,
     RECHARGE_STATUS,
     ROCK_REMOVED,
-    ROCK_REMOVED_DAILY_AVERAGE
+    ROCK_REMOVED_DAILY_AVERAGE,
+    LAST_API_CALL_SUCCESSFUL,
+    STATUS
 )
 
 from .coordinator import EcowaterDataCoordinator
 
+_LOGGER = logging.getLogger(__name__)
+
 @dataclass
 class EcowaterSensorEntityDescription(SensorEntityDescription):
         """A class that describes sensor entities"""
@@ -141,6 +148,17 @@ class EcowaterSensorEntityDescription(SensorEntityDescription):
         device_class=SensorDeviceClass.WEIGHT,
         state_class=SensorStateClass.TOTAL,
         native_unit_of_measurement=UnitOfMass.POUNDS
+    ),
+    EcowaterSensorEntityDescription(
+        key=LAST_API_CALL_SUCCESSFUL,
+        translation_key="last_api_call_successful",
+        icon="mdi:calendar-clock",
+        device_class=SensorDeviceClass.TIMESTAMP
+    ),
+    EcowaterSensorEntityDescription(
+        key=STATUS,
+        translation_key="status",
+        icon="mdi:lan-connect"
     )
 )
 
diff --git a/custom_components/ecowater_softener/strings.json b/custom_components/ecowater_softener/strings.json
index 2c0c2b0..52dca90 100644
--- a/custom_components/ecowater_softener/strings.json
+++ b/custom_components/ecowater_softener/strings.json
@@ -4,7 +4,8 @@
       "user": {
         "data": {
           "username": "Username",
-          "password": "Password"
+          "password": "Password",
+          "dateformat": "Date Format"
         },
         "description": "Enter your Ecowater credentials.\nThen pick the date format that your Ecowater device uses.",
         "title": "Login"
@@ -23,5 +24,57 @@
     "abort": {
       "no_available_devices": "No available devices to configure."
     }
+  },
+  "entity": {
+    "sensor": {      
+      "water_available": {
+        "name": "Water Available"
+      },
+      "water_usage_today": {
+        "name": "Water Used Today"
+      },
+      "water_usage_daily_average": {
+        "name": "Average Water Used per Day"
+      },
+      "current_water_flow": {
+        "name": "Water Flow"
+      },
+      "salt_level_percentage": {
+        "name": "Salt Level Percentage"
+      },
+      "out_of_salt_on": {
+        "name": "Out of Salt On"
+      },
+      "days_until_out_of_salt": {
+        "name": "Days Until Out of Salt"
+      },
+      "salt_type": {
+        "name": "Salt Type"
+      },
+      "last_recharge_date": {
+        "name": "Last Recharge"
+      },
+      "days_since_recharge": {
+        "name": "Days Since Recharge"
+      },
+      "recharge_enabled": {
+        "name": "Recharge Enabled"
+      },
+      "recharge_status": {
+        "name": "Recharge Status"
+      },
+      "rock_removed": {
+        "name": "Rock Removed"
+      },
+      "rock_removed_daily_average": {
+        "name": "Average Rock Removed per Day"
+      },
+      "last_api_call_successful": {
+        "name": "Last Update"
+      },
+      "status": {
+        "name": "Status"
+      }
+    }
   }
-}
\ No newline at end of file
+}