diff --git a/src/settings.cpp b/src/settings.cpp
new file mode 100644
index 0000000..d0036a2
--- /dev/null
+++ b/src/settings.cpp
@@ -0,0 +1,85 @@
+#include "settings.h"
+
+Settings::Settings(QObject *parent) : QObject(parent)
+{
+    // Defaults
+    lowerLimit = 25;
+    upperLimit = 75;
+
+    // Just to be sure...
+    QDir datadir = QStandardPaths::writableLocation(QStandardPaths::DataLocation);
+    if(!datadir.exists())
+        datadir.mkdir(QStandardPaths::writableLocation(QStandardPaths::DataLocation));
+
+    // Use Sailfish-provided sounds
+    lowAlertFile = "/usr/share/sounds/jolla-ambient/general_warning.wav";
+    highAlertFile = "/usr/share/sounds/jolla-ambient/positive_confirmation.wav";
+
+    load();
+}
+
+Settings::~Settings()
+{
+    save();
+}
+
+void Settings::load()
+{
+    QDir::setCurrent(QStandardPaths::writableLocation(QStandardPaths::DataLocation));
+    QFile file;
+
+    file.setFileName("lowerLimit");
+    if(file.exists() && file.open(QIODevice::ReadOnly)) {
+        int nextLimit = file.readAll().toInt();
+        if(nextLimit >= 10 && nextLimit <= 50) {
+            lowerLimit = nextLimit;
+            qDebug() << "Lower limit loaded:" << lowerLimit;
+            emit lowerLimitChanged();
+        }
+        file.close();
+    }
+    file.setFileName("upperLimit");
+    if(file.exists() && file.open(QIODevice::ReadOnly)) {
+        int nextLimit = file.readAll().toInt();
+        if(nextLimit >= 60 && nextLimit <= 99) {
+            upperLimit = nextLimit;
+            qDebug() << "Upper limit loaded:" << upperLimit;
+            emit upperLimitChanged();
+        }
+        file.close();
+    }
+}
+
+void Settings::save()
+{
+    QDir::setCurrent(QStandardPaths::writableLocation(QStandardPaths::DataLocation));
+    QFile file;
+
+    file.setFileName("lowerLimit");
+    if(file.open(QIODevice::WriteOnly)) {
+        if(file.write(QString("%1").arg(lowerLimit).toUtf8())) {
+            qDebug() << "Lower limit saved:" << lowerLimit;
+        }
+        file.close();
+    }
+
+    file.setFileName("upperLimit");
+    if(file.open(QIODevice::WriteOnly)) {
+        if(file.write(QString("%1").arg(upperLimit).toUtf8())) {
+            qDebug() << "Upper limit saved:" << upperLimit;
+        }
+        file.close();
+    }
+}
+
+int Settings::getLowerLimit() { return lowerLimit; }
+
+int Settings::getUpperLimit() { return upperLimit; }
+
+QString Settings::getLowAlert() { return lowAlertFile; }
+
+QString Settings::getHighAlert() { return highAlertFile; }
+
+void Settings::setLowerLimit(int newLimit) { lowerLimit = newLimit; }
+
+void Settings::setUpperLimit(int newLimit) { upperLimit = newLimit; }
diff --git a/src/settings.h b/src/settings.h
new file mode 100644
index 0000000..f748d65
--- /dev/null
+++ b/src/settings.h
@@ -0,0 +1,46 @@
+#ifndef SETTINGS_H
+#define SETTINGS_H
+
+#include <QObject>
+#include <QDebug>
+#include <QFile>
+#include <QDir>
+#include <QStandardPaths>
+
+class Settings : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(int     lowerLimit     READ getLowerLimit  WRITE setLowerLimit  NOTIFY lowerLimitChanged)
+    Q_PROPERTY(int     upperLimit     READ getUpperLimit  WRITE setUpperLimit  NOTIFY upperLimitChanged)
+    Q_PROPERTY(QString lowAlertFile   READ getLowAlert                         NOTIFY lowAlertChanged)
+    Q_PROPERTY(QString highAlertFile  READ getHighAlert                        NOTIFY highAlertChanged)
+
+public:
+    Settings(QObject* parent = nullptr);
+    ~Settings();
+
+    // QML-exposed stuff
+    int getLowerLimit();
+    int getUpperLimit();
+    QString getLowAlert();
+    QString getHighAlert();
+    void setLowerLimit(int newLimit);
+    void setUpperLimit(int newLimit);
+
+private:
+    int lowerLimit;
+    int upperLimit;
+    QString lowAlertFile;
+    QString highAlertFile;
+
+    void load();
+    void save();
+
+signals:
+    int lowerLimitChanged();
+    int upperLimitChanged();
+    QString lowAlertChanged();
+    QString highAlertChanged();
+};
+
+#endif // SETTINGS_H