diff --git a/FHEM/71_XiaomiSmartHome.pm b/FHEM/71_XiaomiSmartHome.pm
index b571a82..e1d0561 100644
--- a/FHEM/71_XiaomiSmartHome.pm
+++ b/FHEM/71_XiaomiSmartHome.pm
@@ -40,8 +40,7 @@ eval "use Crypt::CBC";
 return "\nERROR: Please install Crypt::CBC" if($@);
 eval "use Net::Ping";
 return "\nERROR: Please install Net::Ping" if($@);
-eval "use Math::Round";
-return "\nERROR: Please install libmath-round-perl" if($@);
+
 
 use Color;
 use SetExtensions;
@@ -51,7 +50,7 @@ use SetExtensions;
 sub XiaomiSmartHome_Notify($$);
 sub XiaomiSmartHome_updateSingleReading($$);
 my $iv="\x17\x99\x6d\x09\x3d\x28\xdd\xb3\xba\x69\x5a\x2e\x6f\x58\x56\x2e";
-my $version = "1.15";
+my $version = "1.18";
 my %XiaomiSmartHome_gets = (
 	"getDevices"	=> ["get_id_list", '^.+get_id_list_ack' ],
 
@@ -114,10 +113,13 @@ sub XiaomiSmartHome_Read($) {
     my ($hash) = @_;
     my $name = $hash->{NAME};
 	my $self = {}; # my new hash
-	my $new_hash = {};
 	
 	Log3 $name, 5, "$name: Read> Read start";
-    my $buf = "";
+    if ( ! $hash->{SID} ){
+		Log3 $name, 3, "$name: Read> No SID, Stop Read";
+		return;
+	}
+	my $buf = "";
     my $ret = sysread($hash->{CD}, $buf, 1024);
     if (!defined($ret) || $ret <= 0)
     {
diff --git a/FHEM/71_XiaomiSmartHome_Device.pm b/FHEM/71_XiaomiSmartHome_Device.pm
index 036155c..818cf46 100644
--- a/FHEM/71_XiaomiSmartHome_Device.pm
+++ b/FHEM/71_XiaomiSmartHome_Device.pm
@@ -24,9 +24,9 @@ package main;
 
 use strict;
 use warnings;
-use Math::Round qw/nearest/;
 
-my $version = "1.15";
+
+my $version = "1.18";
 sub XiaomiSmartHome_Device_updateSReading($);
 
 
@@ -44,7 +44,9 @@ sub XiaomiSmartHome_Device_Initialize($)
 
   $hash->{AttrList}  = "IODev follow-on-for-timer:1,0 follow-on-timer ".
                        "do_not_notify:1,0 ignore:1,0 dummy:1,0 showtime:1,0 valueFn:textField-long ".
-					   "round:1,2,3 ".
+					   "rnd_tmp:1,2,3 ".
+					   "rnd_hum:1,2,3 ".
+					   "rnd_bat:1,2,3 ".
                        $readingFnAttributes ;				
 }
 #####################################
@@ -192,8 +194,9 @@ sub XiaomiSmartHome_Device_on_timeout($){
 #####################################
 sub XiaomiSmartHome_Device_Read($$$){
 	my ($hash, $msg, $name) = @_;
-	my @arround = ("0.1","0.01","0.001");
-	my $round = AttrVal( $hash->{NAME}, "round", "2" );	
+	my $XMIround_tmp = AttrVal( $hash->{NAME}, "rnd_tmp", "2" );
+	my $XMIround_hum = AttrVal( $hash->{NAME}, "rnd_hum", "2" );
+	my $XMIround_bat = AttrVal( $hash->{NAME}, "rnd_bat", "1" );	
 	my $decoded = eval{decode_json($msg)};
 	if ($@) {
 		Log3 $name, 1, "$name: DEV_Read> Error while request: $@";
@@ -230,26 +233,27 @@ sub XiaomiSmartHome_Device_Read($$$){
 		if (defined $data->{voltage}){
 			my $bat = ($data->{voltage}/1000);
 			Log3 $name, 4, "$name: DEV_Read>" . " Name: " . $hash->{NAME} . " SID: " . $sid . " Type: " . $hash->{MODEL}  . " Voltage: " . $data->{voltage};
-			readingsBulkUpdate($hash, "battery", $bat, 1 );
 			if ($bat < 2.2) {
-				readingsBulkUpdate($hash, "batterystate", "low", 1 );
+				readingsBulkUpdate($hash, "battery", "low", 1 );
 				}
 				else {
-					readingsBulkUpdate($hash, "batterystate", "ok", 1 )
+					readingsBulkUpdate($hash, "battery", "ok", 1 )
 				}
+			$bat = XiaomiSmartHome_round($bat, $XMIround_bat, $name );
+			readingsBulkUpdate($hash, "battery_level", $bat, 1 );
 			}
 		if (defined $data->{temperature}){
-			my $temp = $data->{temperature};
+			my $temp = sprintf( "%#.4d", $data->{temperature});
 			$temp =~ s/(^[-+]?\d+?(?=(?>(?:\d{2})+)(?!\d))|\G\d{3}(?=\d))/$1./g;
-			$temp = nearest(@arround[$round-1] ,$temp );
-			Log3 $name, 3, "$name: DEV_Read>" . " Name: " . $hash->{NAME} . " SID: " . $sid . " Type: " . $hash->{MODEL}  . " Temperature: " . $temp . " Round: " . $round;
+			$temp = XiaomiSmartHome_round($temp, $XMIround_tmp, $name );
+			Log3 $name, 3, "$name: DEV_Read>" . " Name: " . $hash->{NAME} . " SID: " . $sid . " Type: " . $hash->{MODEL}  . " Temperature: " . $temp . " Round: " . $XMIround_tmp;
 			readingsBulkUpdate($hash, "temperature", "$temp", 1 );
 			}
 		if (defined $data->{humidity}){
 			my $hum = $data->{humidity};
 			$hum =~ s/(^[-+]?\d+?(?=(?>(?:\d{2})+)(?!\d))|\G\d{2}(?=\d))/$1./g;
-			$hum = nearest(@arround[$round-1] ,$hum );
-			Log3 $name, 3, "$name: DEV_Read>" . " Name: " . $hash->{NAME} . " SID: " . $sid . " Type: " . $hash->{MODEL}  . " Humidity: " . $hum;
+			$hum = XiaomiSmartHome_round($hum, $XMIround_hum, $name );
+			Log3 $name, 3, "$name: DEV_Read>" . " Name: " . $hash->{NAME} . " SID: " . $sid . " Type: " . $hash->{MODEL}  . " Humidity: " . $hum . " Round: " . $XMIround_hum;
 			readingsBulkUpdate($hash, "humidity", "$hum", 1 );
 			}
 		if (defined $data->{pressure}){
@@ -272,6 +276,10 @@ sub XiaomiSmartHome_Device_Read($$$){
 			Log3 $name, 3, "$name: DEV_Read>" . " SID: " . $sid . " Type: " . $hash->{MODEL}  . " Channel_1: " . $data->{channel_1};
 			readingsBulkUpdate($hash, "channel_1", "$data->{channel_1}", 1 );
 			}
+		if (defined $data->{dual_channel}){
+			Log3 $name, 3, "$name: DEV_Read>" . " SID: " . $sid . " Type: " . $hash->{MODEL}  . " Dual_Channel: " . $data->{dual_channel};
+			readingsBulkUpdate($hash, "dual_channel", "$data->{dual_channel}", 1 );
+			}
 		#86sw1 + 86sw2 + ctrl_neutral1 + ctrl_neutral2 end
 		#plug & 86plug start
 		if (defined $data->{load_voltage}){
@@ -340,6 +348,9 @@ sub XiaomiSmartHome_Device_Read($$$){
 			readingsBulkUpdate($hash, "arlarm", "$data->{curtain_level}", 1 );
 			}
 		#curtain end
+		if ($decoded->{'cmd'} eq 'heartbeat'){
+		readingsBulkUpdate($hash, 'heartbeat', $decoded->{'sid'} , 1 );
+		}
 
 
 	readingsEndUpdate( $hash, 1 );
@@ -391,8 +402,10 @@ sub XiaomiSmartHome_Device_update($){
   if( $model =~ /motion/) {
 	XiaomiSmartHome_Device_mot($hash, $hash->{READINGS}{motionOffTimer}{VAL}) if( $hash->{READINGS}{motionOffTimer});
 	}
-  # Update delete old reading Voltage
+  # Update delete old reading voltage & batterystate
   CommandDeleteReading( undef, "$name voltage" ) if(defined(ReadingsVal($name,"voltage",undef)));
+  CommandDeleteReading( undef, "$name batterystate" ) if(defined(ReadingsVal($name,"batterystate",undef)));
+    CommandDeleteReading( undef, "$name round" ) if(defined(ReadingsVal($name,"round",undef)));
 }
 #####################################
  
@@ -466,6 +479,21 @@ sub XiaomiSmartHome_Device_Undef($)
     return undef;
 
 }
+#####################################
+
+sub XiaomiSmartHome_round {
+  my ($n, $p, $name) = @_;
+  Log3 $name, 5, "$name: DEV_Round>" . " Value: " . $n . " points: " . $p;
+  my $sign = ($n > 0) ? 1 : -1;
+
+  $p ||= 0;
+  $n *= 10 ** $p;
+  $n = int($n + .5 * $sign);
+  Log3 $name, 5, "$name: DEV_Round>" . " Result_value: " . $n / 10**$p;
+  return $n / 10**$p;
+}
+
+
 1;
 
 =pod
diff --git a/controls_mish.txt b/controls_mish.txt
index 8ce8ef5..16c3bf5 100644
--- a/controls_mish.txt
+++ b/controls_mish.txt
@@ -1,2 +1,2 @@
-UPD 2017-10-30_11:17:13 36922 FHEM/71_XiaomiSmartHome.pm
-UPD 2017-10-30_11:17:14 25266 FHEM/71_XiaomiSmartHome_Device.pm
+UPD 2017-12_08_13:29:11 36907 FHEM/71_XiaomiSmartHome.pm
+UPD 2017-12-08_13:28:54 26468 FHEM/71_XiaomiSmartHome_Device.pm