diff --git a/devices/led_ctrl1.properties b/devices/led_ctrl1.properties
index ede20e9..8102c24 100644
--- a/devices/led_ctrl1.properties
+++ b/devices/led_ctrl1.properties
@@ -1,8 +1,8 @@
-#Wed Jun 21 15:13:57 CEST 2017
-maxValue=NaN
-minValue=NaN
+#Wed Jun 21 15:15:18 CEST 2017
+maxValue=0.4
+minValue=0.0
 offset=0.0
-precision=-1
+precision=2
 resolution=NaN
-scale=1.0
-unit=null
+scale=3.0E-4
+unit=V