diff --git a/res/config.ini b/res/config.ini
index 68a39bb..2738c01 100644
--- a/res/config.ini
+++ b/res/config.ini
@@ -160,3 +160,8 @@ xauth_cmd = /usr/bin/xauth
 
 # Xorg desktop environments
 xsessions = /usr/share/xsessions
+
+# Brightness control
+brightness_down_key = F5
+brightness_up_key = F6
+Brightness_change = 10
\ No newline at end of file
diff --git a/src/config/Config.zig b/src/config/Config.zig
index bddda19..e7d2c83 100644
--- a/src/config/Config.zig
+++ b/src/config/Config.zig
@@ -51,3 +51,7 @@ xinitrc: ?[]const u8 = "~/.xinitrc",
 x_cmd_setup: []const u8 = build_options.data_directory ++ "/xsetup.sh",
 xauth_cmd: []const u8 = "/usr/bin/xauth",
 xsessions: []const u8 = "/usr/share/xsessions",
+brightness_down_key: []const u8 = "F5",
+brightness_up_key: []const u8 = "F6",
+brightnessctl: []const u8 = "/usr/bin/brightnessctl",
+brightness_change: []const u8 = "10",
diff --git a/src/config/Lang.zig b/src/config/Lang.zig
index 8c4051c..cced3e6 100644
--- a/src/config/Lang.zig
+++ b/src/config/Lang.zig
@@ -54,3 +54,5 @@ sleep: []const u8 = "sleep",
 wayland: []const u8 = "wayland",
 xinitrc: [:0]const u8 = "xinitrc",
 x11: []const u8 = "x11",
+brightness_down: []const u8 = "decrease brightness",
+brightness_up: []const u8 = "increase brigthness",
diff --git a/src/interop.zig b/src/interop.zig
index 14ce55a..b378f34 100644
--- a/src/interop.zig
+++ b/src/interop.zig
@@ -16,6 +16,10 @@ pub const xcb = @cImport({
     @cInclude("xcb/xcb.h");
 });
 
+pub const unistd = @cImport({
+    @cInclude("unistd.h");
+});
+
 pub const c_size = u64;
 pub const c_uid = u32;
 pub const c_gid = u32;
diff --git a/src/main.zig b/src/main.zig
index 2d3a747..5fdd554 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -18,12 +18,10 @@ const Save = @import("config/Save.zig");
 const migrator = @import("config/migrator.zig");
 const SharedError = @import("SharedError.zig");
 const utils = @import("tui/utils.zig");
-const unistd = @cImport({
-    @cInclude("unistd.h");
-});
 
 const Ini = ini.Ini;
 const termbox = interop.termbox;
+const unistd = interop.unistd;
 
 var session_pid: std.posix.pid_t = -1;
 pub fn signalHandler(i: c_int) callconv(.C) void {
@@ -248,6 +246,10 @@ pub fn main() !void {
     const restart_key = try std.fmt.parseInt(u8, config.restart_key[1..], 10);
     const restart_len = try utils.strWidth(lang.restart);
     const sleep_key = try std.fmt.parseInt(u8, config.sleep_key[1..], 10);
+    const brightness_down_key = try std.fmt.parseInt(u8, config.brightness_down_key[1..], 10);
+    const brightness_down_len = try utils.strWidth(lang.brightness_down);
+    const brightness_up_key = try std.fmt.parseInt(u8, config.brightness_up_key[1..], 10);
+    const brightness_up_len = try utils.strWidth(lang.brightness_up);
 
     var event: termbox.tb_event = undefined;
     var run = true;
@@ -391,6 +393,20 @@ pub fn main() !void {
                     buffer.drawLabel(lang.restart, length, 0);
                     length += restart_len + 1;
 
+                    buffer.drawLabel(config.brightness_down_key, length, 0);
+                    length += config.brightness_down_key.len + 1;
+                    buffer.drawLabel(" ", length - 1, 0);
+
+                    buffer.drawLabel(lang.brightness_down, length, 0);
+                    length += brightness_down_len + 1;
+
+                    buffer.drawLabel(config.brightness_up_key, length, 0);
+                    length += config.brightness_up_key.len + 1;
+                    buffer.drawLabel(" ", length - 1, 0);
+
+                    buffer.drawLabel(lang.brightness_up, length, 0);
+                    length += brightness_up_len + 1;
+
                     if (config.sleep_cmd != null) {
                         buffer.drawLabel(config.sleep_key, length, 0);
                         length += config.sleep_key.len + 1;
@@ -485,15 +501,19 @@ pub fn main() !void {
                         var sleep = std.ChildProcess.init(&[_][]const u8{ "/bin/sh", "-c", sleep_cmd }, allocator);
                         _ = sleep.spawnAndWait() catch .{};
                     }
-                } else if (pressed_key == 5) {
-                    if (c_import.access("/usr/bin/brightnessctl", c_import.X_OK) == 0) {
-                        var brightness = std.ChildProcess.init(&[_][]const u8{ "/usr/bin/brightnessctl", "-q", "s", "5%-" }, allocator);
-                        _ = brightness.spawnAndWait()catch.{};
+                } else if (pressed_key == brightness_down_key) {
+                    if (unistd.access(&config.brightnessctl[0], unistd.X_OK) == 0) {
+                        const brightness_str = std.fmt.allocPrint(allocator, "{s}%-", .{config.brightness_change}) catch unreachable;
+                        defer allocator.free(brightness_str);
+                        var brightness = std.ChildProcess.init(&[_][]const u8{ config.brightnessctl, "-q", "s", brightness_str }, allocator);
+                        _ = brightness.spawnAndWait() catch .{};
                     }
-                } else if (pressed_key == 6) {
-                    if (c_import.access("/usr/bin/brightnessctl", c_import.X_OK) == 0) {
-                        var brightness = std.ChildProcess.init(&[_][]const u8{ "/usr/bin/brightnessctl", "-q", "s", "+5%" }, allocator);
-                        _ = brightness.spawnAndWait()catch.{};
+                } else if (pressed_key == brightness_up_key) {
+                    if (unistd.access(&config.brightnessctl[0], unistd.X_OK) == 0) {
+                        const brightness_str = std.fmt.allocPrint(allocator, "+{s}%", .{config.brightness_change}) catch unreachable;
+                        defer allocator.free(brightness_str);
+                        var brightness = std.ChildProcess.init(&[_][]const u8{ config.brightnessctl, "-q", "s", brightness_str }, allocator);
+                        _ = brightness.spawnAndWait() catch .{};
                     }
                 }
             },