diff --git a/examples/cardos-demo.cxx b/examples/cardos-demo.cxx
index 900f125..010d32e 100644
--- a/examples/cardos-demo.cxx
+++ b/examples/cardos-demo.cxx
@@ -52,7 +52,9 @@ class Commands: public cardos::Commands {
         <<"  (l)ogonpu(k)         <pin> logon with user PUK"<<std::endl
         <<"  (l)ogon(s)igg        <pin> logon with SigG PIN"<<std::endl
         <<"  (l)ogon(t)transport  <pin> logon with transport PIN"<<std::endl
-        <<"  (g)et(p)in(l)engths       get PIN min max lengths"<<std::endl
+        <<"  (g)et(p)in(l)engths        get PIN min max lengths"<<std::endl
+        <<"  (c)hip                     get chip production data"<<std::endl
+        <<"  (v)ersion                  get product data"<<std::endl
         <<"Note: \"(h)elp\" means: type \"help\" or simply \"h\""<<std::endl;
     }
 
@@ -86,6 +88,8 @@ class Commands: public cardos::Commands {
           else if (cmd=="logontransport"||cmd=="lt") logonTransport(pin());
           else if (cmd=="getpinlengths"||cmd=="gpl") getPinLengths();
           else if (cmd=="print"||cmd=="p") std::cout<<_ber.print()<<std::endl;
+          else if (cmd=="chip"||cmd=="c") printDataChipProduction();
+          else if (cmd=="version"||cmd=="v") std::cout<<getDataProductName()<<std::endl;
           else help();
         } catch (const std::exception& e) {
           std::cout<<"**** Error: "<<e.what()<<std::endl;
@@ -126,6 +130,13 @@ class Commands: public cardos::Commands {
                  <<"-"<<record[0][2][0][4].ulong()<<std::endl;
       }
     }
+
+    void printDataChipProduction() {
+      ChipProductionData data=getDataChipProduction();
+      std::cout<<"serial: "<<crypto::hex(data.serial)<<std::endl
+               <<"type: "<<crypto::hex(std::string(1, data.type))<<std::endl
+               <<"id: "<<crypto::hex(data.id)<<std::endl;
+    }
         
   private: