diff --git a/configuration/config.yaml b/configuration/config.yaml
index f9f1351..b50ef98 100644
--- a/configuration/config.yaml
+++ b/configuration/config.yaml
@@ -7,5 +7,5 @@ ispindel:
     serverAdress: "http://www.littlebock.fr"
   name: "ispindel"
   synchronisation:
-    interval: "15m"
-    timeout: "90d"
+    intervalMinutes: 30
+    timeoutDays: 90
diff --git a/main.py b/main.py
index 8aa7150..ddf8745 100644
--- a/main.py
+++ b/main.py
@@ -1,28 +1,34 @@
 import logging
+import time
+from datetime import timedelta
+import schedule
 import hose
 
 logging.basicConfig(filename='transfer-hose.log', level=logging.INFO)
 logger = logging.getLogger(__name__)
 
+def job(config):
+    """Default behaviour : retrive metrics from Prometheus and send them to Littlebock"""
+    data_to_send = {
+        "temperature" : hose.get_metric_value(config=config, metric_name="temperature"),
+        "gravity" : hose.get_metric_value(config=config, metric_name="gravity"),
+        "battery" : hose.get_metric_value(config=config, metric_name="battery")
+    }
+    hose.send_data_to_littlebock(config=config, data=data_to_send)
+
 def main():
-    """Retrieve data from Prometheus server and send it ot Littlebock"""
+    """Retrieve data from Prometheus server and send it to Littlebock periodicaly"""
     logger.info('Transfer-Hose started !')    
 
     file = 'configuration/config.yaml'
     config = hose.read_yaml(file)
     if config:
         logger.info("Loaded configuration : %s", config)
-        # TODO stuff
-        data_to_send = {
-            "temperature" : hose.get_metric_value(config=config, metric_name="temperature"),
-            "gravity" : hose.get_metric_value(config=config, metric_name="gravity"),
-            "battery" : hose.get_metric_value(config=config, metric_name="battery")
-        }
-        hose.send_data_to_littlebock(config=config, data=data_to_send)
-
-    logger.info('Transfer-Hose exited !')
+        schedule.every(config['ispindel']['synchronisation']['intervalMinutes']).minutes.until(timedelta(days=config['ispindel']['synchronisation']['timeoutDays'])).do(job, config=config)
 
+    while True:
+        schedule.run_pending()
+        time.sleep(1)
 
 if __name__ == "__main__":
-
     main()