diff --git a/README.md b/README.md
index f908938..e2562e0 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,7 @@
+# Recent development
+
+Tested the ClassDigitizer.h/C for very high rate data recording for single and multiple digitizers, each digitizer has 5 inputs from a pulser. In the condition without trace and Extra2, Max Events per aggregation = 1032 and Max aggregations per BLT = 80. it can run at 100k without problem. 
+
 # Introduction
 
 The FSUDAQ is a GUI, supports One (for now) CAEN x725 and x730 digitizer with either DPP-PHA or DPP-PSD firmware. It uses the CEAN ROOT for the Graphical Interface.