diff --git a/apps/accelrec/app.js b/apps/accelrec/app.js
index af1c1f5a3..92efc5c6a 100644
--- a/apps/accelrec/app.js
+++ b/apps/accelrec/app.js
@@ -1,5 +1,5 @@
 //var acc;
-var HZ = 200;
+var HZ = 400;
 var SAMPLES = 5*HZ; // 5 seconds
 var SCALE = 5000;
 var THRESH = 1.04;
@@ -36,10 +36,10 @@ function recordStart() {"ram"
   lastAccel = [];
   Bangle.accelWr(0x18,0b01110100); // off, +-8g
   //Bangle.accelWr(0x1B,0x03 | 0x40); // 100hz output, ODR/2 filter
-  Bangle.accelWr(0x1B,0x04 | 0x40); // 200hz output, ODR/2 filter
+  Bangle.accelWr(0x1B,0x05 | 0x40); // 400hz output, ODR/2 filter
   Bangle.accelWr(0x18,0b11110100); // +-8g
   //Bangle.setPollInterval(10); // 100hz input
-  Bangle.setPollInterval(5); // 200hz input 
+  Bangle.setPollInterval(2.5); // 100hz input
   setTimeout(function() {
     Bangle.on('accel',accelHandlerTrigger);
     g.clear(1).setFont("6x8",2).setFontAlign(0,0);