diff --git a/DOC.md b/DOC.md
index ecc5e3a..3a52898 100644
--- a/DOC.md
+++ b/DOC.md
@@ -8,6 +8,7 @@ You can install another programs for your customization. This is for the example
 
 ```bash
 sudo apt install -y pulseaudio pavucontrol pulseaudio-utils	# For volume script
+sudo apt install -y brightnessctl							# For brightness control
 sudo apt install -y nitrogen 								# For wallpaper
 sudo apt install -y lxpolkit 								# For polkit
 sudo apt install -y xcompmgr 								# For transparent supporting
diff --git a/aji.sh b/aji.sh
index 8625b8e..0be40ab 100644
--- a/aji.sh
+++ b/aji.sh
@@ -6,9 +6,7 @@ vol=$(awk -F"[][]" '/Left:/ { print $2 }' <(amixer sget Master))
 capacity=$(cat /sys/class/power_supply/BAT1/capacity)
 status=$(cat /sys/class/power_supply/BAT1/status)
 # Brightness
-conn=$(xrandr -q | grep ' connected' | head -n 1 | cut -d ' ' -f1)
-a=$(xrandr --verbose --current | grep ^$conn -A5 | tail -n1)
-bright="${a##* }"
+bright=$(echo $(( 100 * $(brightnessctl get) / $(brightnessctl max) ))%)
 
 if [ "$1" == "rofi" ]; then
     rofi -modi drun,power:~/.config/rofi/power-menu -show drun -show-icons -theme Arc-Dark.rasi -columns 2 -lines 10 -window-thumbnail -opacity -width 80 -sidebar-mode -theme-str 'listview {columns: 2; lines: 10;} window {width: 80%; height: 60%;}'
diff --git a/config.h b/config.h
index 9842592..7250c7e 100644
--- a/config.h
+++ b/config.h
@@ -102,11 +102,18 @@ static const char *nmcedit[]	= { "nm-connection-editor"	, NULL };
 
 static const char *top[]		= { "kitty"	, "htop" 		, NULL };
 
+static const char *briup[]		= { "brightnessctl", "set", "+10%" };
+static const char *bridown[]	= { "brightnessctl", "set", "10%-" };
+
 static const char *intip[]		= { "bash"	, "/home/aji/.dwm/aji.sh", "info"};
+
 #include "aji.c"
+#include <X11/XF86keysym.h>
 
 static const Key keys[] 		= {
 	/* modifier                     key        function        argument */
+	{ 0,							XF86XK_MonBrightnessDown,	spawn,		{.v = bridown}		},
+	{ 0,							XF86XK_MonBrightnessUp,		spawn,		{.v = briup}		},
 	{ MODKEY,						XK_i,						spawn,		{.v = intip}		},
 	{ MODKEY,						XK_BackSpace,				view,		{0}					},
 	{ MODKEY,						XK_a,						view,		{.ui = ~0}			}, // Select all tags. Cancel it with `MODKEY + [tag key]`.