diff --git a/home/profiles/io/default.nix b/home/profiles/io/default.nix
index 50acdcf9..de38dbba 100644
--- a/home/profiles/io/default.nix
+++ b/home/profiles/io/default.nix
@@ -29,6 +29,7 @@
     ../../services/wayland/gammastep.nix
     ../../services/wayland/hyprpaper.nix
     ../../services/wayland/hypridle.nix
+    ../../services/wayland/wluma.nix
 
     # terminal emulators
     ../../terminal/emulators/foot.nix
diff --git a/home/services/wayland/wluma.nix b/home/services/wayland/wluma.nix
new file mode 100644
index 00000000..0749c1db
--- /dev/null
+++ b/home/services/wayland/wluma.nix
@@ -0,0 +1,47 @@
+{
+  pkgs,
+  lib,
+  ...
+}: {
+  systemd.user.services.wluma = {
+    Unit = {
+      Description = "Automatic backlight control";
+      PartOf = ["graphical-session.target"];
+    };
+    Service = {
+      ExecStart = lib.getExe pkgs.wluma;
+      Restart = "on-failure";
+    };
+    Install.WantedBy = ["graphical-session.target"];
+  };
+
+  xdg.configFile."wluma/config.toml".source = (pkgs.formats.toml {}).generate "wluma-config" {
+    als.iio = {
+      path = "/sys/bus/iio/devices";
+      thresholds = {
+        "0" = "night";
+        "20" = "dark";
+        "250" = "normal";
+        "500" = "bright";
+        "80" = "dim";
+        "800" = "outdoors";
+      };
+    };
+
+    output.backlight = [
+      {
+        capturer = "none";
+        name = "eDP-1";
+        path = "/sys/class/backlight/amdgpu_bl0";
+      }
+    ];
+
+    # need to fix ddcutil first
+    # output.ddcutil = [
+    #   {
+    #     capturer = "none";
+    #     name = "BenQ BL2283";
+    #   }
+    # ];
+  };
+}