diff --git a/scripts/btn_relay_labo.py b/scripts/btn_relay_labo.py
index 99a51279b393796d0770ca6552a057530e61f23c..9d9abbe3f2674ab917824694cb291d1878a6e0bc 100644
--- a/scripts/btn_relay_labo.py
+++ b/scripts/btn_relay_labo.py
@@ -17,6 +17,8 @@ LAMPS=  UUID(['ccc44227-d4fc-46eb-8578-159e2c47da03','ccc44227-d4fc-46eb-8578-15
               'ccc44227-d4fc-46eb-8578-159e2c47da06','ccc44227-d4fc-46eb-8578-159e2c47da07','ccc44227-d4fc-46eb-8578-159e2c47da08'])
 
 SPOTS = UUID(['6265eb30-8c59-11e9-98b1-b827ebe99201',])
+AMBI = UUID(['e19d5ea8-c838-11ea-82a8-9cebe88e1963'])
+
 
 # Edisio labo
 BTNS  = UUID(['743034ca-c2f0-11e8-9485-a40074bcb601','743034ca-c2f0-11e8-9485-a40074bcb603','743034ca-c2f0-11e8-9485-a40074bcb605',
@@ -77,8 +79,16 @@ def handle_msg(msg):
 
         # btn du milieu / on éteint tout
         if msg.source == BTNS[2]:
-            on_off_light(LAMPS)
-            #send(SHUTERS,'stop')
+            ALL = LAMPS + SPOTS + AMBI
+            r = search_for_light(ALL)
+            if r:
+                send(ALL,'turn_off')
+            else:
+                send(LAMPS,'turn_on')
+
+        # Eclairage d'ambiance
+        if msg.source == BTNS[3]:
+            on_off_light(SPOTS+AMBI)
 
         if msg.source in AQUARA:
             if on_off_light(LAMPS):
@@ -97,14 +107,14 @@ def handle_msg(msg):
             # "soirée TV"
             send([SHUTERS[0]],'down')
             send(LAMPS,'turn_off')
-            send(SPOTS,'turn_on')
+            send(SPOTS+AMBI,'turn_on')
             send([SHUTERS[1]],'down')
             
         if msg.source == SCEN[1]:
             # "Début journée"
             send([SHUTERS[0]],'up')
             send([LAMPS[3],],'turn_on')
-            send(SPOTS,'turn_off')
+            send(SPOTS+AMBI,'turn_off')
             send([SHUTERS[1]],'up')
 
         if msg.source == SCEN[2]: