diff --git a/JSON-dictionary.md b/JSON-dictionary.md
index 69a174f..a7e8f07 100644
--- a/JSON-dictionary.md
+++ b/JSON-dictionary.md
@@ -36,6 +36,7 @@ Certain commands are used to alter the non volatile settings stored by the contr
 | GPmodeIn | string | description | From ESP | no | GPIO input mode |
 | GPmodeOut | string | description | From ESP | no | GPIO output mode |
 | InputVoltage | float | 0.1V resolution | From ESP | n/a | |
+| LowVoltCutout | float | *12V* 10.0..12.5<BR>*24V* 20.0..25.0 | to/From ESP | **YES** | Low voltage protection |
 | NVsave | int | 8861 | To ESP | n/a | **must** be 8861 |
 | PumpActual | float | 0.1Hz resolution | From ESP | n/a | |
 | PumpCal | float | description | To/From ESP | **YES** | mL / stroke of pump |