diff --git a/src/command/bc125at/backlight.rs b/src/command/bc125at/backlight.rs
new file mode 100644
index 0000000..51f41fa
--- /dev/null
+++ b/src/command/bc125at/backlight.rs
@@ -0,0 +1,15 @@
+use crate::{
+    OkResponse,
+    command::{command, macros::enum_param_response},
+};
+
+enum_param_response!(Backlight {
+    AlwaysOn => b"AO",
+    AlwaysOff => b"AF",
+    Keypress => b"KY",
+    Squelch => b"SQ",
+    KeypressOrSquelch => b"KS",
+}: BacklightError("invalid backlight setting"));
+
+command!(b"BLT": GetBacklight => Backlight);
+command!(b"BLT": SetBacklight(Backlight) => OkResponse);
diff --git a/src/command/bc125at/mod.rs b/src/command/bc125at/mod.rs
index 0da677d..ff078c9 100644
--- a/src/command/bc125at/mod.rs
+++ b/src/command/bc125at/mod.rs
@@ -1,3 +1,4 @@
+mod backlight;
 mod battery_charge_time;
 mod firmware_version;
 mod lcd_contrast;
@@ -5,6 +6,7 @@ mod program_mode;
 mod squelch;
 mod volume;
 
+pub use backlight::{Backlight, BacklightError, GetBacklight, SetBacklight};
 pub use battery_charge_time::{
     BatteryChargeTime, BatteryChargeTimeError, GetBatteryInfo, SetBatteryInfo,
 };
diff --git a/src/command/macros/enum_param_response.rs b/src/command/macros/enum_param_response.rs
new file mode 100644
index 0000000..cf2be6d
--- /dev/null
+++ b/src/command/macros/enum_param_response.rs
@@ -0,0 +1,61 @@
+macro_rules! enum_param_response {
+    ($name:ident { $($variant:ident => $val:literal),+ $(,)? } : $error:ident($msg:literal)) => {
+        #[derive(
+            ::core::clone::Clone,
+            ::core::marker::Copy,
+            ::core::fmt::Debug,
+            ::core::cmp::PartialEq,
+            ::core::cmp::Eq,
+        )]
+        pub enum $name {
+            $($variant),+
+        }
+
+        impl crate::command::Params for $name {
+            fn count(&self) -> usize {
+                1
+            }
+
+            fn max_size(&self) -> usize {
+                2
+            }
+
+            fn serialize_to(&self, mut buffer: crate::command::ParamBuffer) {
+                let txt = match self {
+                    $(Self::$variant => $val,)+
+                };
+                buffer.serialize_param(txt);
+            }
+        }
+
+        #[derive(
+            ::core::clone::Clone,
+            ::core::marker::Copy,
+            ::core::fmt::Debug,
+            ::core::cmp::PartialEq,
+            ::core::cmp::Eq,
+            ::thiserror::Error,
+        )]
+        #[error($msg)]
+        pub struct $error;
+
+        impl crate::command::Response for $name {
+            type Error = $error;
+
+            fn deserialize(raw_values: &[::tokio_util::bytes::Bytes]) -> ::core::result::Result<Self, Self::Error> {
+                let val = match raw_values[0].as_ref() {
+                    $($val => Self::$variant,)+
+                    _ => return ::core::result::Result::Err($error),
+                };
+                Ok(val)
+            }
+
+
+            fn expected_field_count() -> usize {
+                1
+            }
+        }
+    };
+}
+
+pub(crate) use enum_param_response;
diff --git a/src/command/macros/mod.rs b/src/command/macros/mod.rs
index 85403e1..045411d 100644
--- a/src/command/macros/mod.rs
+++ b/src/command/macros/mod.rs
@@ -1,9 +1,11 @@
 mod command;
+mod enum_param_response;
 mod range_param;
 mod range_response;
 mod string_response;
 
 pub(crate) use command::command;
+pub(crate) use enum_param_response::enum_param_response;
 pub(crate) use range_param::range_param;
 pub(crate) use range_response::range_response;
 pub(crate) use string_response::string_response;