diff --git a/gui/include/DeviceRenderer.hpp b/gui/include/DeviceRenderer.hpp
index fbc4bae..40b02ef 100644
--- a/gui/include/DeviceRenderer.hpp
+++ b/gui/include/DeviceRenderer.hpp
@@ -11,8 +11,10 @@ public:
     DeviceRenderer(std::shared_ptr<Device> device, uint16_t x, uint16_t y);
 
     void Render(SDL_Renderer* renderer) const;
-    void Deselect();
+    void RenderImGui() const;
 
+    void Deselect();
+    inline bool Selected() const { return selected; }
     bool PropagateEvent(SDL_Event* event);
 
 private:
diff --git a/gui/include/NetworkRenderer.hpp b/gui/include/NetworkRenderer.hpp
index 0ca1f1f..da575da 100644
--- a/gui/include/NetworkRenderer.hpp
+++ b/gui/include/NetworkRenderer.hpp
@@ -10,6 +10,7 @@ public:
 
     void AddDevice(std::shared_ptr<Device> device, uint16_t x, uint16_t y);
     void Render(SDL_Renderer* renderer) const;
+    void RenderImGui() const;
 
     void PropagateEvent(SDL_Event* event);
 
diff --git a/gui/src/DeviceRenderer.cpp b/gui/src/DeviceRenderer.cpp
index f09be2e..90c042d 100644
--- a/gui/src/DeviceRenderer.cpp
+++ b/gui/src/DeviceRenderer.cpp
@@ -1,6 +1,7 @@
 #include "DeviceRenderer.hpp"
 
 #include <SDL.h>
+#include <imgui.h>
 
 DeviceRenderer::DeviceRenderer(std::shared_ptr<Device> device, uint16_t x, uint16_t y) :
     device(device), selected(false), grabbed(false)
@@ -52,4 +53,12 @@ void DeviceRenderer::Render(SDL_Renderer* renderer) const {
         SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
         SDL_RenderRect(renderer, &bbox);
     }
+}
+
+void DeviceRenderer::RenderImGui() const {
+    if (ImGui::Begin("Device")) {
+        ImGui::InputScalarN("MAC Address", ImGuiDataType_U8, device->macAddress, 6, NULL, NULL, "%02X");
+
+        ImGui::End();
+    }
 }
\ No newline at end of file
diff --git a/gui/src/NetworkRenderer.cpp b/gui/src/NetworkRenderer.cpp
index cf4e2eb..eff92e3 100644
--- a/gui/src/NetworkRenderer.cpp
+++ b/gui/src/NetworkRenderer.cpp
@@ -30,4 +30,12 @@ void NetworkRenderer::Render(SDL_Renderer* renderer) const {
     for (const DeviceRenderer& device : devices) {
         device.Render(renderer);
     }
+}
+
+void NetworkRenderer::RenderImGui() const {
+    for (const DeviceRenderer& device : devices) {
+        if (device.Selected()) {
+            device.RenderImGui();
+        }
+    }
 }
\ No newline at end of file
diff --git a/gui/src/main.cpp b/gui/src/main.cpp
index d1e8218..e17a6ae 100644
--- a/gui/src/main.cpp
+++ b/gui/src/main.cpp
@@ -36,6 +36,11 @@ int main(int argc, char** argv) {
     while (!shouldClose) {
         while (SDL_PollEvent(&event)) {
             ImGui_ImplSDL3_ProcessEvent(&event);
+
+            if (ImGui::GetIO().WantCaptureMouse) {
+                continue;
+            }
+
             networkRenderer.PropagateEvent(&event);
 
             switch (event.type) {
@@ -71,6 +76,8 @@ int main(int argc, char** argv) {
             ImGui::EndMainMenuBar();
         }
 
+        networkRenderer.RenderImGui();
+
         ImGui::Render();
         ImGui_ImplSDLRenderer3_RenderDrawData(ImGui::GetDrawData());
 
diff --git a/netsim/include/Device.hpp b/netsim/include/Device.hpp
index 0d415a4..c31929d 100644
--- a/netsim/include/Device.hpp
+++ b/netsim/include/Device.hpp
@@ -15,6 +15,6 @@ public:
 private:
     void parseAndSetMac(const std::string& macAddress);
 
-private:
+public:
     uint8_t macAddress[6];
 };
\ No newline at end of file