diff --git a/check-env-temp.sh b/check-env-temp.sh
new file mode 100644
index 0000000..4fc0d5d
--- /dev/null
+++ b/check-env-temp.sh
@@ -0,0 +1,119 @@
+#!/bin/bash
+
+#
+#/
+#/ Usage:
+#/ check-env-temp.sh --critical-min=<centigrade> --warning-min=<centigrade> --warning-max=<centigrade> --critical-min=<centigrade> --help
+#/ 
+#/ Checks the memory usage
+#/ 
+#/ Options:
+#/  -c, --critical-min=<centigrade>     The minimal degree centigrade of when to trigger a critical warning
+#/  -w, --warning-min=<centigrade>      The minimal degree centigrade of when to trigger a warning
+#/  -W, --warning-max=<centigrade>      The maximum degree centigrade of when to trigger a warning
+#/  -C, --critical-max=<centigrade>     The maximum degree centigrade of when to trigger a critical warning
+#/  -h, --help                          Display this help message
+#/ 
+#/ Exit Codes:
+#/  0 Everything OK
+#/  1 Warning level exceeded
+#/  2 Critical level exceeded
+#/  3 Unknown status
+#/
+
+
+Usage() {
+    grep '^#/' "${script_dir}/${script_name}" | sed 's/^#\/\w*//'
+}
+
+GetOptions() {
+    # https://stackoverflow.com/a/29754866
+    OPTIONS=c:w:W:C:h
+    LONGOPTS=critical-min:,warning-min:,:warning-max:,critical-max:,help
+
+    # -use ! and PIPESTATUS to get exit code with errexit set
+    # -temporarily store output to be able to check for errors
+    # -activate quoting/enhanced mode (e.g. by writing out “--options”)
+    # -pass arguments only via   -- "$@"   to separate them correctly
+    ! PARSED=$(getopt --options=$OPTIONS --longoptions=$LONGOPTS --name "$0" -- "$@")
+    if [[ ${PIPESTATUS[0]} -ne 0 ]]; then
+        # e.g. return value is 1
+        #  then getopt has complained about wrong arguments to stdout
+        Usage
+        exit 2
+    fi
+
+    # read getopt's output this way to handle the quoting right:
+    eval set -- "$PARSED"
+
+    # now enjoy the options in order and nicely split until we see --
+    while true; do
+        case "$1" in
+            -c|--critital-min)
+                critmin="$2"
+                shift 2
+                ;;
+            -w|--warning-min)
+                warnmin="$2"
+                shift 2
+                ;;
+            -W|--warning-max)
+                warnmax="$2"
+                shift 2
+                ;;
+            -C|--critital-max)
+                critmax="$2"
+                shift 2
+                ;;
+            -h|--help)
+                Usage
+                exit 0
+                ;;
+            --)
+                shift
+                break
+                ;;
+            *)
+                echo "MEMORY UNKNOWN - ${1} is not a valid parameter"
+                exit 3
+                ;;
+        esac
+    done
+}
+LC_NUMERIC="C"
+critmin=5
+warnmin=15
+warnmax=40
+critmax=45
+script_name=$(basename "${0}")
+script_dir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+GetOptions "$@"
+
+val=$(temper --json | jq '.[0]."internal temperature"' | bc -l)
+
+if (( $(echo "$val < ${critmin}" | bc -l) )); then
+    rval=2
+    rmsg="CRITICAL"
+elif (( $(echo "$val < ${warnmin}" | bc -l) )); then
+    rval=1
+    rmsg="WARNING"
+elif (( $(echo "$val < ${warnmax}" | bc -l) )); then
+    rval=0
+    rmsg="OK"
+elif (( $(echo "$val < ${critmax}" | bc -l) )); then
+    rval=1
+    rmsg="WARNING"
+else
+    rval=2
+    rmsg="CRITICAL"
+fi
+
+dval=$(printf %.2f $(echo ${val}\ | bc -l))
+dcritmin=$(printf %.2f $(echo ${critmin}\ | bc -l))
+dwarnmin=$(printf %.2f $(echo ${warnmin}\ | bc -l))
+dwarnmax=$(printf %.2f $(echo ${warnmax}\ | bc -l))
+dcritmax=$(printf %.2f $(echo ${critmax}\ | bc -l))
+unit="°"
+
+echo "ENV TEMP ${rmsg} - Temperature: ${dval} |temp=${dval}${unit};${dwarnmin}:${dwarnmax};${dcritmin}:${dcritmax}"
+exit $rval