diff --git a/Makefile b/Makefile
index d20c653..97baa0d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,16 +1,16 @@
 all: run
 
 run:
-	./rec.sh
+	./src/nbmrec.sh
 
 install:
-	sudo cp ./src/rec.sh /usr/local/bin/rec.sh
+	sudo cp ./src/nbmrec.sh /usr/local/bin/nbmrec.sh
 	sudo cp ./conf/nbmrec.service /etc/systemd/system/nbmrec.service
 	sudo cp ./conf/nbmrec.timer /etc/systemd/system/nbmrec.timer
 	sudo systemctl daemon-reload
 	sudo systemctl enable nbmrec.timer
 
 uninstall:
-	sudo rm -rf /usr/local/bin/rec.sh
+	sudo rm -rf /usr/local/bin/nbmrec.sh
 	sudo rm -rf /etc/systemd/system/nbmrec.service /etc/systemd/system/nbmrec.timer
 	sudo systemctl daemon-reload
diff --git a/conf/nbmrec.service b/conf/nbmrec.service
index 3cbaddf..75b5e01 100644
--- a/conf/nbmrec.service
+++ b/conf/nbmrec.service
@@ -4,7 +4,7 @@ Description=NBMrec daemon nocturnal bird migration service
 [Service]
 Type=oneshot
 User=1000
-ExecStart=/usr/local/bin/nmbrec.sh -d night
+ExecStart=/usr/local/bin/nbmrec.sh -d night
 RemainAfterExit=yes
 
 [Install]
diff --git a/src/nbmrec.sh b/src/nbmrec.sh
new file mode 100755
index 0000000..466ffee
--- /dev/null
+++ b/src/nbmrec.sh
@@ -0,0 +1,71 @@
+#!/bin/bash
+
+# NBMrec 
+# nocturnal bird migration recorder daemon
+# by Samuel ORTION
+
+RECORD_DIR="/mnt/DATA/media/records"
+RECORD_DATE=$(date +"%Y-%m-%d")
+RECORD_FILENAME=$(date +"%Y%m%d_%H%M%S")
+RECORD_FILEPATH="${RECORD_DIR}/${RECORD_DATE}/${RECORD_FILENAME}.wav" 
+RECORD_DURATION=60
+
+usage() {
+    echo "Usage: $0 [ -d <duration> ] [ -f <filename> ]"
+    echo "  -d <duration> : duration of the recording in seconds or 'night' for all night recording"
+    echo "  -f <filename> : filename of the recording"
+    echo "  -h            : display this help"
+    echo "  -v            : switch to verbose mode"
+}
+
+# Get command line options
+while getopts ":hd:f:" opt; do
+  case $opt in
+    h) 
+      usage
+      ;;
+    d)
+      RECORD_DURATION=$OPTARG
+      if [ "$RECORD_DURATION" == "night" ]; then
+        RECORD_DURATION=32400
+      fi
+      ;;
+    f)
+      RECORD_FILEPATH=$OPTARG
+      ;;
+    \?)
+      echo "Invalid option: -$OPTARG" >&2
+      exit 1
+      ;;
+    :)
+      echo "Option -$OPTARG requires an argument." >&2
+      exit 1
+      ;;
+  esac
+done
+
+verbose=false
+
+main() {
+    # Create output folder
+    if $verbose
+    then
+        echo "Creating record output folder"
+    fi
+    mkdir -p "$RECORD_DIR/$RECORD_DATE/"
+
+    # Perform recording
+    if $verbose
+    then
+        echo "Recording $RECORD_FILENAME"
+    fi
+    rec -b 16 -r 48000 -c 1 -t wav $RECORD_FILEPATH trim 0 $RECORD_DURATION
+
+    if $verbose
+    then
+        echo "Done"
+    fi
+}
+
+main
+exit 0
\ No newline at end of file