diff --git a/dump.py b/dump.py
index 196ea51..120a25e 100755
--- a/dump.py
+++ b/dump.py
@@ -54,6 +54,7 @@ LINES = [
   ('Ambient', ilt.GetAmbientCurrent, 'A'),
   ('Sample time', ilt.GetSampleSeconds, 's'),
   ('Detector bias', ilt.GetBiasVoltage, 'V'),
+  ('Peak', ilt.GetPeak, ''),
 ]
 
 
diff --git a/ilt1000.py b/ilt1000.py
index 5d82d44..c49ff8d 100755
--- a/ilt1000.py
+++ b/ilt1000.py
@@ -62,9 +62,6 @@ class CommandError(Error):
 # startintegrate
 # stopintegrate
 
-# getpeak
-# startpeak
-
 # gettriggerin
 # settriggerout
 
@@ -364,6 +361,12 @@ class ILT1000(object):
   def GetBiasVoltage(self):
     return float(self._SendCommand('getbias'))
 
+  def StartPeak(self):
+    self._SendCommandOrDie('startpeak')
+
+  def GetPeak(self):
+    return float(self._SendCommand('getpeak'))
+
 
 class _Row(object):