diff --git a/pytec/pytec/gui/view/ctrl_panel.py b/pytec/pytec/gui/view/ctrl_panel.py
index a728de1..560a122 100644
--- a/pytec/pytec/gui/view/ctrl_panel.py
+++ b/pytec/pytec/gui/view/ctrl_panel.py
@@ -42,6 +42,13 @@ class MutexParameter(pTypes.ListParameter):
 registerParameterType("mutex", MutexParameter)
 
 
+def set_tree_label_tips(tree):
+    for item in tree.listAllItems():
+        p = item.param
+        if "tip" in p.opts:
+            item.setToolTip(0, p.opts["tip"])
+
+
 class CtrlPanel(QObject):
     set_zero_limits_warning_sig = pyqtSignal(list)
 
@@ -79,6 +86,8 @@ class CtrlPanel(QObject):
             self.params[i].setValue = self._setValue
             self.params[i].sigTreeStateChanged.connect(sigTreeStateChanged_handle)
 
+            set_tree_label_tips(tree)
+
             for handle in sigActivated_handles[i]:
                 self.params[i].child(*handle[0]).sigActivated.connect(handle[1])
 
diff --git a/pytec/pytec/gui/view/param_tree.json b/pytec/pytec/gui/view/param_tree.json
index 6a23913..4313ef7 100644
--- a/pytec/pytec/gui/view/param_tree.json
+++ b/pytec/pytec/gui/view/param_tree.json
@@ -5,7 +5,8 @@
          "title": "Temperature",
          "type": "float",
          "format": "{value:.4f} °C",
-         "readonly": true
+         "readonly": true,
+         "tip": "The measured temperature at the thermistor"
       },
       {
          "name": "tec_i",
@@ -13,13 +14,15 @@
          "type": "float",
          "suffix": "mA",
          "decimals": 6,
-         "readonly": true
+         "readonly": true,
+         "tip": "The measured current through the TEC"
       },
       {
          "name": "output",
          "title": "Output Settings",
          "expanded": true,
          "type": "group",
+         "tip": "Settings of the output to the TEC",
          "children": [
             {
                "name": "control_method",
@@ -37,6 +40,7 @@
                      "pid"
                   ]
                ],
+               "tip": "Select control method of output",
                "children": [
                   {
                      "name": "i_set",
@@ -56,6 +60,7 @@
                         "ch",
                         "i_set"
                      ],
+                     "tip": "The set current through TEC",
                      "lock": false
                   },
                   {
@@ -74,6 +79,7 @@
                         "ch",
                         "target"
                      ],
+                     "tip": "The target temperature of the TEC",
                      "lock": false
                   }
                ]
@@ -83,6 +89,7 @@
                "title": "Limits",
                "expanded": true,
                "type": "group",
+               "tip": "The limits of output, with the polarity at the front panel as reference",
                "children": [
                   {
                      "name": "max_i_pos",
@@ -101,6 +108,7 @@
                         "ch",
                         "max_i_pos"
                      ],
+                     "tip": "The maximum cooling (+ve) current through the output pins",
                      "lock": false
                   },
                   {
@@ -120,11 +128,12 @@
                         "ch",
                         "max_i_neg"
                      ],
+                     "tip": "The maximum heating (-ve) current through the output pins",
                      "lock": false
                   },
                   {
                      "name": "max_v",
-                     "title": "Max Voltage Difference",
+                     "title": "Max Absolute Voltage",
                      "type": "float",
                      "value": 0,
                      "step": 0.1,
@@ -139,6 +148,7 @@
                         "ch",
                         "max_v"
                      ],
+                     "tip": "The maximum voltage across the output pins",
                      "lock": false
                   }
                ]
@@ -150,7 +160,7 @@
          "title": "Thermistor Settings",
          "expanded": true,
          "type": "group",
-         "tip": "Settings of the connected Thermistor",
+         "tip": "Settings of the connected Thermistor, including for the B-Parameter conversion",
          "children": [
             {
                "name": "t0",
@@ -168,6 +178,7 @@
                   "ch",
                   "t0"
                ],
+               "tip": "The origin temperature",
                "lock": false
             },
             {
@@ -183,6 +194,7 @@
                   "ch",
                   "r0"
                ],
+               "tip": "The resistance of the thermistor at origin temperature T₀",
                "lock": false
             },
             {
@@ -198,6 +210,7 @@
                   "ch",
                   "b"
                ],
+               "tip": "The B (or Beta) Parameter",
                "lock": false
             },
             {
@@ -217,6 +230,7 @@
                   "21.25 Hz": 21.25,
                   "27 Hz": 27.0
                },
+               "tip": "Trade off effective sampling rate and rejection of (50±1) Hz and (60±1) Hz",
                "lock": false
             }
          ]
@@ -226,6 +240,7 @@
          "title": "PID Settings",
          "expanded": true,
          "type": "group",
+         "tip": "Settings of PID parameters and clamping",
          "children": [
             {
                "name": "kp",
@@ -238,6 +253,7 @@
                   "ch",
                   "kp"
                ],
+               "tip": "Proportional gain",
                "lock": false
             },
             {
@@ -251,6 +267,7 @@
                   "ch",
                   "ki"
                ],
+               "tip": "Integral gain",
                "lock": false
             },
             {
@@ -264,6 +281,7 @@
                   "ch",
                   "kd"
                ],
+               "tip": "Differential gain",
                "lock": false
             },
             {
@@ -271,6 +289,7 @@
                "title": "PID Output Clamping",
                "expanded": true,
                "type": "group",
+               "tip": "Clamps PID outputs to specified range\nCould be different than output limits",
                "children": [
                   {
                      "name": "output_min",
@@ -288,6 +307,7 @@
                         "ch",
                         "output_min"
                      ],
+                     "tip": "Minimum PID output",
                      "lock": false
                   },
                   {
@@ -306,6 +326,7 @@
                         "ch",
                         "output_max"
                      ],
+                     "tip": "Maximum PID output",
                      "lock": false
                   }
                ]
@@ -315,6 +336,7 @@
                "title": "PID Auto Tune",
                "expanded": false,
                "type": "group",
+               "tip": "Automatically tune PID parameters",
                "children": [
                   {
                      "name": "target_temp",
@@ -326,7 +348,8 @@
                      "pid_autotune": [
                         "target_temp",
                         "ch"
-                     ]
+                     ],
+                     "tip": "The target temperature to autotune for"
                   },
                   {
                      "name": "test_current",
@@ -343,7 +366,8 @@
                      "pid_autotune": [
                         "test_current",
                         "ch"
-                     ]
+                     ],
+                     "tip": "The testing current when autotuning"
                   },
                   {
                      "name": "temp_swing",
@@ -356,7 +380,8 @@
                      "pid_autotune": [
                         "temp_swing",
                         "ch"
-                     ]
+                     ],
+                     "tip": "The temperature swing around the target"
                   },
                   {
                      "name": "lookback",
@@ -368,13 +393,14 @@
                      "pid_autotune": [
                         "lookback",
                         "ch"
-                     ]
+                     ],
+                     "tip": "Amount of time to lookback"
                   },
                   {
                      "name": "run_pid",
                      "title": "Run",
                      "type": "action",
-                     "tip": "Run"
+                     "tip": "Run PID Autotune with above settings"
                   }
                ]
             }