diff --git a/CHANGELOG.md b/CHANGELOG.md
index ac77dbb..26a6a68 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -32,6 +32,8 @@ AddActionMembers now adds ScriptMethods instead of ScriptProperties:
 - Bus.Sel, Bus.Monitor, Bus.Vaio
 - Bus.Mode.Set($mode)
 - Recorder.Armedbus
+- Recorder.PreRecTime
+- Recorder.Prefix($prefix)
 
 ### Changed
 
diff --git a/README.md b/README.md
index a2271cf..270f9df 100644
--- a/README.md
+++ b/README.md
@@ -528,6 +528,7 @@ The following commands are available:
 - A1 - A5: bool
 - B1 - B3: bool
 - armedbus: int, from 0 to bus index
+- prerectime: int, from 0 to 20 seconds
 - samplerate: int, (22050, 24000, 32000, 44100, 48000, 88200, 96000, 176400, 192000)
 - bitresolution: int, (8, 16, 24, 32)
 - channel: int, from 1 to 8
@@ -545,6 +546,7 @@ The following methods are available:
 - Load($filepath): string
 - GoTo($timestring): string, must match the format 'hh:mm:ss'
 - FileType($format): string, ('wav', 'aiff', 'bwf', 'mp3')
+- Prefix($prefix): string
 
 example:
 
diff --git a/lib/recorder.ps1 b/lib/recorder.ps1
index d570190..e6cc59b 100644
--- a/lib/recorder.ps1
+++ b/lib/recorder.ps1
@@ -19,7 +19,10 @@ class Recorder : IRemote {
         }
 
         AddActionMembers -PARAMS @('play', 'stop', 'pause', 'replay', 'record', 'ff', 'rew')
+        
         AddFloatMembers -PARAMS @('gain')
+        AddIntMembers -PARAMS @('prerectime')
+
         AddChannelMembers
     }
 
@@ -147,6 +150,10 @@ class Recorder : IRemote {
         }
         $this.Setter('filetype', $val)
     }
+
+    [void] Prefix ([string]$prefix) {
+        $this.Setter('prefix', $prefix)
+    }
 }
 
 class RecorderMode : IRemote {
diff --git a/tests/higher.Tests.ps1 b/tests/higher.Tests.ps1
index 22b9c55..fd9f380 100644
--- a/tests/higher.Tests.ps1
+++ b/tests/higher.Tests.ps1
@@ -625,6 +625,13 @@ Describe -Tag 'higher', -TestName 'All Higher Tests' {
                 $vmr.recorder.armedbus = $value
                 $vmr.recorder.armedbus | Should -Be $value
             }
+
+            It 'Should set and get Recorder.prerectime' -ForEach @(
+                @{ Value = 5 }, @{ Value = 20 }
+            ) {
+                $vmr.recorder.prerectime = $value
+                $vmr.recorder.prerectime | Should -Be $value
+            }
         }
     }