diff --git a/zoneb/addons.make b/zoneb/addons.make
index 87ad7a9..e634f29 100644
--- a/zoneb/addons.make
+++ b/zoneb/addons.make
@@ -1,4 +1,5 @@
 ofxAzureKinect
 ofxGpuParticles
+ofxGui
 ofxV4L2
 ofxShader
diff --git a/zoneb/bin/data/settings.xml b/zoneb/bin/data/settings.xml
new file mode 100644
index 0000000..4e77d2a
--- /dev/null
+++ b/zoneb/bin/data/settings.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0"?>
+<ZONE_B>
+	<XY>-208, -257</XY>
+	<scale>2</scale>
+	<device>video3</device>
+</ZONE_B>
diff --git a/zoneb/src/ofApp.cpp b/zoneb/src/ofApp.cpp
index d3092d2..6def3fc 100644
--- a/zoneb/src/ofApp.cpp
+++ b/zoneb/src/ofApp.cpp
@@ -39,7 +39,8 @@ void ofApp::setupThermal()
   v4l2Cam.setDesiredFramerate(60);
 
   // use this to set appropriate device and capture method
-  v4l2Cam.initGrabber("/dev/video2", IO_METHOD_MMAP, camWidth, camHeight);
+  std::string dev = captureDeviceName;
+  v4l2Cam.initGrabber((std::string("/dev/") + dev).c_str(), IO_METHOD_MMAP, camWidth, camHeight);
 
   // some initial settings
   int set_gain = 2.0;
@@ -63,23 +64,8 @@ void ofApp::setupThermal()
   }
 }
 
-void ofApp::setup()
+void ofApp::setupParticles()
 {
-  // ofDisableArbTex();
-  // ofSetVerticalSync(false);
-  //ofSetLogLevel(OF_LOG_VERBOSE);
-
-  setupKinect();
-  setupThermal();
-
-  boundShader.allocate(ofGetWidth(), ofGetHeight());
-  boundShader.load("shaders/bound.frag");
-
-  fbos.insert({"ofcam", ofFbo()});
-  fbos.at("ofcam").allocate(ofGetWidth(), ofGetHeight(), GL_RGBA32F_ARB);
-
-  gradient.load("gradient.jpg");
-
   // 1,000,000 particles
   unsigned w = 512;
   unsigned h = 512;
@@ -130,6 +116,36 @@ void ofApp::setup()
   ofAddListener(particles.drawEvent, this, &ofApp::onParticlesDraw);
 }
 
+void ofApp::setupGui()
+{
+	gui.setup("ZONE B", "settings.xml"); // most of the time you don't need a name
+	gui.add(registrationXY.setup("XY", {-208, -257}, {-400, -400}, {400, 400}));
+	gui.add(registrationScale.setup("scale", 2.0, 0.1, 3));
+  gui.add(captureDeviceName.setup("device", "video3"));
+  gui.loadFromFile("settings.xml");
+}
+
+void ofApp::setup()
+{
+  // ofDisableArbTex();
+  // ofSetVerticalSync(false);
+  //ofSetLogLevel(OF_LOG_VERBOSE);
+
+  setupGui();
+  setupKinect();
+  setupThermal();
+
+  boundShader.allocate(ofGetWidth(), ofGetHeight());
+  boundShader.load("shaders/bound.frag");
+
+  fbos.insert({"ofcam", ofFbo()});
+  fbos.at("ofcam").allocate(ofGetWidth(), ofGetHeight(), GL_RGBA32F_ARB);
+
+  gradient.load("gradient.jpg");
+
+  setupParticles();
+}
+
 void ofApp::exit()
 {
   kinectDevice.close();
@@ -150,8 +166,8 @@ void ofApp::updateThermal()
     {
       for (int j = 0; j < 512; j++)
       {
-        int x = j * 1.65 - 115;
-        int y = i * 1.65 - 170;
+        int x = j * registrationScale + registrationXY->x;
+        int y = i * registrationScale + registrationXY->y;
         if (ofInRange(x, 0, camWidth - 1) == false || ofInRange(y, 0, camHeight - 1) == false)
         {
           continue;
@@ -251,6 +267,7 @@ void ofApp::drawMain()
 
 void ofApp::drawDebug()
 {
+  gui.draw();
   ofDrawBitmapStringHighlight(ofToString(ofGetFrameRate(), 2) + " FPS", 10, 20);
 }
 
diff --git a/zoneb/src/ofApp.h b/zoneb/src/ofApp.h
index de4670c..6deda36 100644
--- a/zoneb/src/ofApp.h
+++ b/zoneb/src/ofApp.h
@@ -2,6 +2,8 @@
 
 #include "ofMain.h"
 
+#include "ofxGui.h"
+
 #include "ofxAzureKinect.h"
 
 #include "ofxShaderFilter.h"
@@ -16,6 +18,8 @@ class ofApp
 public:
   void setupKinect();
   void setupThermal();
+  void setupParticles();
+  void setupGui();
   void setup();
   void exit();
 
@@ -55,4 +59,9 @@ private:
   ofxGpuParticles particles;
 
   std::vector<std::vector<ofVec3f>> hotspots;
+
+  ofxVec2Slider registrationXY;
+	ofxFloatSlider registrationScale;
+	ofxInputField<std::string> captureDeviceName;
+	ofxPanel gui;
 };