diff --git a/LaserClock/LaserClock.ino b/LaserClock/LaserClock.ino
index 098e780..be9e70b 100644
--- a/LaserClock/LaserClock.ino
+++ b/LaserClock/LaserClock.ino
@@ -15,7 +15,9 @@ const unsigned char M[] = {2,3,4,5,6,7};
 
 //how long takes a minute in ms?
 //const unsigned int mindelay = 60000;
-const unsigned int mindelay = 59500;
+const unsigned int mindelay = 59000;
+//intensity of laser, when "off": 0 -> 0% on; 255 -> 100% on
+const unsigned int offtime = 160;
 
 //current time
 unsigned char min = 0;
@@ -31,11 +33,11 @@ unsigned long lastmin;
 void write(unsigned char m = 255, unsigned char h = 255) {
   //write minutes
   for(unsigned char i = 0; i < 6; i++) {
-    analogWrite(M[i], (m & (1 << i)) ? 255 : 1);
+    analogWrite(M[i], (m & (1 << i)) ? 255 : offtime);
   }
   //write hour
   for(unsigned char i = 0; i < 4; i++) {
-    analogWrite(H[i], (h & (1 << i)) ? 255 : 4);
+    analogWrite(H[i], (h & (1 << i)) ? 255 : offtime);
   }
   #ifndef nolog
   //send data to Serial