diff --git a/apps/autocal/src/orisys_autocal/ui/calibration_panel.py b/apps/autocal/src/orisys_autocal/ui/calibration_panel.py
index 5c54d5a..07dae94 100644
--- a/apps/autocal/src/orisys_autocal/ui/calibration_panel.py
+++ b/apps/autocal/src/orisys_autocal/ui/calibration_panel.py
@@ -9,6 +9,7 @@ from orisys_app_shared.i18n import t
 from orisys_app_shared.paths import outputs_dir
 from PySide6.QtCore import QTimer, Signal
 from PySide6.QtWidgets import (
+    QComboBox,
     QDoubleSpinBox,
     QFileDialog,
     QFormLayout,
@@ -29,8 +30,11 @@ from PySide6.QtWidgets import (
 from ..sensor.uv_flat import site_at, uv_origin
 from ..sensor.uv_outline import outline_snapshot
 from ..trial import ManualTrial, load_path
-from .sensor_panel import FlatSurfaceView
 from .live_force_view import LiveForceView
+from .sensor_panel import FlatSurfaceView
+
+#: Product models a session can be recorded under. The stored value is this id.
+PRODUCT_MODELS: tuple[str, ...] = ("finger",)
 
 
 class CalibrationPanel(QWidget):
@@ -51,8 +55,10 @@ class CalibrationPanel(QWidget):
         outer = QVBoxLayout(self)
         header = QHBoxLayout()
         self.model_label = QLabel(self)
-        self.sensor_model = QLineEdit(self)
+        self.sensor_model = QComboBox(self)
         self.sensor_model.setObjectName("calibrationSensorModel")
+        self.sensor_model.addItems(PRODUCT_MODELS)
+        self.sensor_model.setCurrentText(PRODUCT_MODELS[0])
         self.sn_label = QLabel(self)
         self.sensor_sn = QLineEdit(self)
         self.sensor_sn.setObjectName("calibrationSensorSn")
@@ -271,7 +277,7 @@ class CalibrationPanel(QWidget):
                 site=self._site,
                 levels=levels,
                 hold_s=self.hold.value(),
-                sensor_model=self.sensor_model.text(),
+                sensor_model=self.sensor_model.currentText(),
                 sensor_sn=self.sensor_sn.text(),
                 bundle_path=self._bundle_path,
                 source=source,
diff --git a/apps/autocal/tests/test_manual_trial.py b/apps/autocal/tests/test_manual_trial.py
index ae48d13..e36a61e 100644
--- a/apps/autocal/tests/test_manual_trial.py
+++ b/apps/autocal/tests/test_manual_trial.py
@@ -294,7 +294,7 @@ def test_gui_hold_controls_and_session_lifecycle(make_window, trial_setup, clock
     panel._picked(2, 1)
     panel.output_path.setText(str(trial_setup["root"]))
     panel.sensor_sn.setText("F-001")
-    panel.sensor_model.setText("finger")
+    assert panel.sensor_model.currentText() == "finger"
     panel.levels.setText("5, 10")
     panel.start_button.click()
     assert panel.trial.status == "recording"