diff --git a/app/mainwindow.cpp b/app/mainwindow.cpp
index b629e6f..4ff9d36 100644
--- a/app/mainwindow.cpp
+++ b/app/mainwindow.cpp
@@ -58,6 +58,31 @@ MainWindow::MainWindow(QWidget *parent) :
   panel_media_ = new MediaPanel();
   config_stack_->addWidget(panel_media_);
 
+  properties_group_ = new QGroupBox();
+  config_layout->addWidget(properties_group_);
+
+  auto properties_layout = new QGridLayout(properties_group_);
+
+  {
+    int prow = 0;
+
+    properties_layout->addWidget(new QLabel(tr("Location")), prow, 0);
+
+    m_LocationEdit = new Vector3Edit();
+    connect(m_LocationEdit, &Vector3Edit::changed, this, &MainWindow::LocationChanged);
+    properties_layout->addWidget(m_LocationEdit, prow, 1);
+
+    prow++;
+
+    properties_layout->addWidget(new QLabel(tr("Start Time")), prow, 0);
+
+    start_time_edit_ = new QSpinBox();
+    start_time_edit_->setMinimum(0);
+    start_time_edit_->setMaximum(INT_MAX);
+    connect(start_time_edit_, static_cast<void(QSpinBox::*)(int)>(&QSpinBox::valueChanged), this, &MainWindow::StartTimeChanged);
+    properties_layout->addWidget(start_time_edit_, prow, 1);
+  }
+
   InitializeMenuBar();
 
   splitter->setSizes({99999, 99999});
@@ -113,6 +138,12 @@ void MainWindow::SetPanel(Panel *panel, si::Object *chunk)
   last_set_data_ = chunk;
 
   action_grp_->setEnabled(chunk);
+  properties_group_->setEnabled(chunk);
+
+  if (chunk) {
+    m_LocationEdit->SetValue(chunk->location_);
+    start_time_edit_->setValue(chunk->time_offset_);
+  }
 }
 
 void MainWindow::ExtractObject(si::Object *obj)
@@ -301,3 +332,17 @@ void MainWindow::ViewSIFile()
     }
   }
 }
+
+void MainWindow::LocationChanged(const Vector3 &v)
+{
+  if (last_set_data_) {
+    last_set_data_->location_ = v;
+  }
+}
+
+void MainWindow::StartTimeChanged(int t)
+{
+  if (last_set_data_) {
+    last_set_data_->time_offset_ = t;
+  }
+}
diff --git a/app/mainwindow.h b/app/mainwindow.h
index 5e12f55..5ba8db1 100644
--- a/app/mainwindow.h
+++ b/app/mainwindow.h
@@ -10,6 +10,7 @@
 
 #include "objectmodel.h"
 #include "panel.h"
+#include "vector3edit.h"
 #include "viewer/mediapanel.h"
 
 class MainWindow : public QMainWindow
@@ -52,6 +53,12 @@ private:
 
   QString current_filename_;
 
+  QGroupBox *properties_group_;
+
+  Vector3Edit *m_LocationEdit;
+
+  QSpinBox *start_time_edit_;
+
 private slots:
   void NewFile();
   void OpenFile();
@@ -69,6 +76,9 @@ private slots:
 
   void ViewSIFile();
 
+  void LocationChanged(const si::Vector3 &v);
+  void StartTimeChanged(int t);
+
 };
 
 #endif // MAINWINDOW_H
diff --git a/app/vector3edit.cpp b/app/vector3edit.cpp
index 416efe1..2a37da5 100644
--- a/app/vector3edit.cpp
+++ b/app/vector3edit.cpp
@@ -9,30 +9,33 @@ Vector3Edit::Vector3Edit(QWidget *parent) :
 {
   auto layout = new QHBoxLayout(this);
 
-  layout->addWidget(new QLabel("X"));
+  layout->addWidget(new QLabel(tr("X")));
 
   x_edit_ = new QDoubleSpinBox();
   x_edit_->setMinimum(DBL_MIN);
   x_edit_->setMaximum(DBL_MAX);
   layout->addWidget(x_edit_);
+  connect(x_edit_, static_cast<void(QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged), this, &Vector3Edit::internalChanged);
 
   layout->addStretch();
 
-  layout->addWidget(new QLabel("Y"));
+  layout->addWidget(new QLabel(tr("Y")));
 
   y_edit_ = new QDoubleSpinBox();
   y_edit_->setMinimum(DBL_MIN);
   y_edit_->setMaximum(DBL_MAX);
   layout->addWidget(y_edit_);
+  connect(y_edit_, static_cast<void(QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged), this, &Vector3Edit::internalChanged);
 
   layout->addStretch();
 
-  layout->addWidget(new QLabel("Z"));
+  layout->addWidget(new QLabel(tr("Z")));
 
   z_edit_ = new QDoubleSpinBox();
   z_edit_->setMinimum(DBL_MIN);
   z_edit_->setMaximum(DBL_MAX);
   layout->addWidget(z_edit_);
+  connect(z_edit_, static_cast<void(QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged), this, &Vector3Edit::internalChanged);
 }
 
 si::Vector3 Vector3Edit::GetValue() const
@@ -42,7 +45,20 @@ si::Vector3 Vector3Edit::GetValue() const
 
 void Vector3Edit::SetValue(const si::Vector3 &xyz)
 {
+  x_edit_->blockSignals(true);
+  y_edit_->blockSignals(true);
+  z_edit_->blockSignals(true);
+
   x_edit_->setValue(xyz.x);
   y_edit_->setValue(xyz.y);
   z_edit_->setValue(xyz.z);
+
+  x_edit_->blockSignals(false);
+  y_edit_->blockSignals(false);
+  z_edit_->blockSignals(false);
+}
+
+void Vector3Edit::internalChanged()
+{
+  emit changed(si::Vector3(x_edit_->value(), y_edit_->value(), z_edit_->value()));
 }
diff --git a/app/vector3edit.h b/app/vector3edit.h
index 8d749f6..11502d6 100644
--- a/app/vector3edit.h
+++ b/app/vector3edit.h
@@ -15,11 +15,17 @@ public:
   si::Vector3 GetValue() const;
   void SetValue(const si::Vector3 &xyz);
 
+signals:
+  void changed(const si::Vector3 &v);
+
 private:
   QDoubleSpinBox *x_edit_;
   QDoubleSpinBox *y_edit_;
   QDoubleSpinBox *z_edit_;
 
+private slots:
+  void internalChanged();
+
 };
 
 #endif // VECTOR3EDIT_H
diff --git a/lib/interleaf.cpp b/lib/interleaf.cpp
index e9f9c13..6d438a3 100644
--- a/lib/interleaf.cpp
+++ b/lib/interleaf.cpp
@@ -272,8 +272,8 @@ Object *Interleaf::ReadObject(FileBase *f, Object *o, std::stringstream &desc)
   desc << "Duration: " << o->duration_ << std::endl;
   o->loops_ = f->ReadU32();
   desc << "Loops: " << o->loops_ << std::endl;
-  o->position_ = f->ReadVector3();
-  desc << "Position: " << o->position_.x << " " << o->position_.y << " " << o->position_.z << std::endl;
+  o->location_ = f->ReadVector3();
+  desc << "Location: " << o->location_.x << " " << o->location_.y << " " << o->location_.z << std::endl;
   o->direction_ = f->ReadVector3();
   desc << "Direction: " << o->direction_.x << " " << o->direction_.y << " " << o->direction_.z << std::endl;
   o->up_ = f->ReadVector3();
@@ -429,7 +429,7 @@ void Interleaf::WriteObject(FileBase *f, const Object *o) const
   f->WriteU32(o->unknown4_);
   f->WriteU32(o->duration_);
   f->WriteU32(o->loops_);
-  f->WriteVector3(o->position_);
+  f->WriteVector3(o->location_);
   f->WriteVector3(o->direction_);
   f->WriteVector3(o->up_);
 
diff --git a/lib/object.h b/lib/object.h
index f4dfc51..8d2e767 100644
--- a/lib/object.h
+++ b/lib/object.h
@@ -49,7 +49,7 @@ public:
   uint32_t unknown4_;
   uint32_t duration_;
   uint32_t loops_;
-  Vector3 position_;
+  Vector3 location_;
   Vector3 direction_;
   Vector3 up_;
   bytearray extra_;