diff --git a/README.md b/README.md
index b21c4e12..24a959e3 100644
--- a/README.md
+++ b/README.md
@@ -12,11 +12,20 @@ from simplipy.api import SimpliSafeApiInterface
 
 simplisafe = SimpliSafeApiInterface("USERNAME", "PASSWORD")
 
-
 for system in simplisafe.get_systems():
-    print(system.state)
-    print(str(simplisafe.sensors))
+    print("Location ID: " + str(system.location_id))
+    print("System version: " + str(system.version))
+    print("System state: " + str(system.state))
+    print("Alarming: " + str(system.alarm_active))
+    print("Temperature: " + str(system.temperature))
+    print("Sensors:")
     for sensor in system.get_sensors():
-        print(sensor.name)
-        print("\t" + str(sensor.status))
+       print("\t" + sensor.name())
+       print("\t\tType: " + str(sensor.type))
+       print("\t\tSerial: " + str(sensor.serial()))
+       print("\t\tData: " + str(sensor.data()))
+       print("\t\tStatus: " + str(sensor.status()))
+       print("\t\tBattery Ok: " + str(sensor.battery()))
+       print("\t\tOffline: " + str(sensor.offline()))
+       print("\t\tError: " + str(sensor.error()))
 ```
diff --git a/src/simplipy/sensor.py b/src/simplipy/sensor.py
index 176e3405..df51fc11 100644
--- a/src/simplipy/sensor.py
+++ b/src/simplipy/sensor.py
@@ -48,7 +48,7 @@ def status(self):
     def battery(self):
         """Return the battery status of the sensor."""
         if self.version != 3:
-            return self.sensor_dict["battery"]
+            return self.sensor_dict.get("battery") == "ok"
         return self._get_dict_values(["flags", "lowBattery"], False)
 
     def data(self):
diff --git a/tox.ini b/tox.ini
new file mode 100644
index 00000000..6deafc26
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,2 @@
+[flake8]
+max-line-length = 120