diff --git a/bitlair_closed.d/20_crystal_lamp_off b/bitlair_closed.d/20_crystal_lamp_off
new file mode 100755
index 0000000..f8d1adc
--- /dev/null
+++ b/bitlair_closed.d/20_crystal_lamp_off
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+mqtt-simple -h mqtt.bitlair.nl -p bitlair/power/shelly/01/command/switch:0 -m off
diff --git a/bitlair_open.d/20_crystal_lamp_on b/bitlair_open.d/20_crystal_lamp_on
new file mode 100755
index 0000000..26d9f4f
--- /dev/null
+++ b/bitlair_open.d/20_crystal_lamp_on
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+mqtt-simple -h mqtt.bitlair.nl -p bitlair/power/shelly/01/command/switch:0 -m on