diff --git a/config b/config
index 6800813..e443219 100644
--- a/config
+++ b/config
@@ -10,6 +10,9 @@ label=☼
 # label=☀,☼,✱,✲,✳,✴,✵,✺
 instance=color
 
+# [iface]
+# label=iface
+
 [storage]
 label=⛁
 # label=⛀,⛁,⛂,⛃
@@ -25,9 +28,9 @@ label=⚟
 [cpu]
 label=☷
 
-# [ip]
+[ip]
 # label=ip
-# label=⎋
+label=⎋
 # interval=once
 
 # if you have more than one batteries attached to your device and ou like
diff --git a/modules/battery b/modules/battery
index 77e9e77..0596594 100755
--- a/modules/battery
+++ b/modules/battery
@@ -10,7 +10,7 @@ else
     [[ -f "$DIR/BAT$BLOCK_INSTANCE/uevent" ]] && BATS="$DIR/BAT$BLOCK_INSTANCE/uevent"    
 fi
 
-if [[ "${BATS}" == "" ]]; then
+if [[ "$BATS" == "" ]]; then
     echo " no battery "
     echo "n/a"
     exit 33
diff --git a/modules/iface b/modules/iface
new file mode 100755
index 0000000..07bcb25
--- /dev/null
+++ b/modules/iface
@@ -0,0 +1,38 @@
+#!/bin/bash
+
+# Use the provided interface, otherwise the device used for the default route.
+if [[ -n $BLOCK_INSTANCE ]]; then
+  IF=$BLOCK_INSTANCE
+else
+  IF=$(ip route | awk '/^default/ { print $5 ; exit }')
+fi
+
+# As per #36 -- It is transparent: e.g. if the machine has no battery or wireless
+# connection (think desktop), the corresponding block should not be displayed.
+[[ ! -d /sys/class/net/${IF} ]] && exit
+
+if [[ "$(cat /sys/class/net/$IF/operstate)" = 'down' ]]; then
+  echo down # full text
+  echo down # short text
+  echo \#FF0000 # color
+  exit
+fi
+
+case $1 in
+  -4)
+    AF=inet ;;
+  -6)
+    AF=inet6 ;;
+  *)
+    AF=inet6? ;;
+esac
+
+# if no interface is found, use the first device with a global scope
+IPADDR=$(ip addr show $IF | perl -n -e "/$AF ([^\/]+).* scope global/ && print \$1 and exit")
+
+case $BLOCK_BUTTON in
+  3) echo -n "$IPADDR" | xclip -q -se c ;;
+esac
+
+echo "$IPADDR" # full text
+echo "$IPADDR" # short text
diff --git a/modules/ip b/modules/ip
index c778e8e..e52c0e0 100755
--- a/modules/ip
+++ b/modules/ip
@@ -1,6 +1,22 @@
 #!/bin/bash
 
-IP=$(curl -s checkip.dyndns.org | sed -e 's/.*Current IP Address: //' -e 's/<.*$//')
+if [[ -n "$BLOCK_INSTANCE" ]]; then
+  IF="$BLOCK_INSTANCE"
+else
+  IF=$(ip route | awk '/^default/ { print $5 ; exit }')
+fi
+
+if [[ ! -d "/sys/class/net/$IF" ]]; then
+   echo " no network interface "
+   echo "not found"
+   echo ""
+   exit 33
+fi
+
+echo $IF
+
+WAN_IP=$(curl -s checkip.dyndns.org | sed -e 's/.*Current IP Address: //' -e 's/<.*$//')
+LAN_IP=$(ip addr | gawk '/
 
 echo "$IP"
 echo "$IP"
diff --git a/modules/storage b/modules/storage
index 6df2d27..8e53f35 100755
--- a/modules/storage
+++ b/modules/storage
@@ -1,30 +1,29 @@
 #!/bin/bash
 df | gawk '
     /\/$/ { 
-        sfg=$4/1024^2
-        sfm=$4/1024
+        free_storage=$4/1024^2
     }
     END {
-        if (sfg < 1) {
+        if (free_storage < 1) {
             printf(" full \n")
             printf("full\n")
             exit 33
-        } else if (sfg > 5) {
-            printf("%.1f G\n", sfg)
-            printf("%dG\n", sfg)
+        } else if (free_storage > 5) {
+            printf("%.1f G\n", free_storage)
+            printf("%dG\n", free_storage)
         } else {
-            printf("%.0f M\n", sfm)
-            printf("%dG\n", sfm)
+            printf("%.0f M\n", free_storage / 1024)
+            printf("%dM\n", free_storage / 1024)
         }
-        if (sfg > 20) {
+        if (free_storage > 20) {
             print("#04B431\n")
-        } else if (sfg > 15) {
+        } else if (free_storage > 15) {
             print("#A8FF00\n")
-        } else if (sfg > 10) {
+        } else if (free_storage > 10) {
             print("#FFF600\n")
-        } else if (sfg > 5) {
+        } else if (free_storage > 5) {
             print("#FFAE00\n")
-        } else if (sfg > 1) {
+        } else if (free_storage > 1) {
             print("#FF0000\n")
         }
    }