diff --git a/src/commands/control.rs b/src/commands/control.rs
index 8f90d23..3f71b8a 100644
--- a/src/commands/control.rs
+++ b/src/commands/control.rs
@@ -160,22 +160,26 @@ impl Command for OptEnd {
 }
 
 /// Set Power, from pow3v3, pow5v fn
-#[derive(Debug)]
+#[derive(clap::Subcommand, PartialEq, Clone, Copy, Debug)]
 pub enum SetPower {
-    Enable3V3,
-    Disable3V3,
-    Enable5V,
-    Disable5V,
+    /// Enable 3.3V output
+    Enable3v3,
+    /// Disable 3.3V output
+    Disable3v3,
+    /// Enable 5V output
+    Enable5v,
+    /// Disable 5V output
+    Disable5v,
 }
 impl Command for SetPower {
     type Response = ();
     const COMMAND_ID: u8 = 0x0d;
     fn payload(&self) -> Vec<u8> {
         match self {
-            SetPower::Enable3V3 => vec![0x09],
-            SetPower::Disable3V3 => vec![0x0A],
-            SetPower::Enable5V => vec![0x0B],
-            SetPower::Disable5V => vec![0x0C],
+            SetPower::Enable3v3 => vec![0x09],
+            SetPower::Disable3v3 => vec![0x0A],
+            SetPower::Enable5v => vec![0x0B],
+            SetPower::Disable5v => vec![0x0C],
         }
     }
 }
diff --git a/src/main.rs b/src/main.rs
index 922d51b..b5cdb0d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -148,14 +148,11 @@ enum Commands {
     },
     /// List probes
     List {},
-    /// Enable 3.3V output
-    Enable3v3 {},
-    /// Disable 3.3V output
-    Disable3v3 {},
-    /// Enable 5V output
-    Enable5v {},
-    /// Disable 5V output
-    Disable5v {},
+    /// Enable or disable power output
+    SetPower {
+        #[command(subcommand)]
+        cmd: commands::control::SetPower,
+    },
     /// SDI virtual serial port,
     #[command(subcommand)]
     SdiPrint(SdiPrint),
@@ -212,17 +209,8 @@ fn main() -> Result<()> {
         Some(Commands::List {}) => {
             WchLink::list_probes()?;
         }
-        Some(Commands::Enable3v3 {}) => {
-            WchLink::set_3v3_output_enabled(device_index, true)?;
-        }
-        Some(Commands::Disable3v3 {}) => {
-            WchLink::set_3v3_output_enabled(device_index, false)?;
-        }
-        Some(Commands::Enable5v {}) => {
-            WchLink::set_5v_output_enabled(device_index, true)?;
-        }
-        Some(Commands::Disable5v {}) => {
-            WchLink::set_5v_output_enabled(device_index, false)?;
+        Some(Commands::SetPower { cmd }) => {
+            WchLink::set_power_output_enabled(device_index, cmd)?;
         }
 
         Some(Commands::Erase { method }) if method != EraseMode::Default => {
diff --git a/src/probe.rs b/src/probe.rs
index 3b996b9..06f2043 100644
--- a/src/probe.rs
+++ b/src/probe.rs
@@ -173,7 +173,7 @@ impl WchLink {
         Ok(())
     }
 
-    pub fn set_3v3_output_enabled(nth: usize, enable: bool) -> Result<()> {
+    pub fn set_power_output_enabled(nth: usize, cmd: commands::control::SetPower) -> Result<()> {
         let mut probe = Self::open_nth(nth)?;
 
         if !probe.info.variant.support_power_funcs() {
@@ -182,32 +182,13 @@ impl WchLink {
             ));
         }
 
-        if enable {
-            log::info!("Enable 3.3V Output");
-            probe.send_command(commands::control::SetPower::Enable3V3)?;
-        } else {
-            log::info!("Disable 3.3V Output");
-            probe.send_command(commands::control::SetPower::Disable3V3)?;
-        }
-
-        Ok(())
-    }
-
-    pub fn set_5v_output_enabled(nth: usize, enable: bool) -> Result<()> {
-        let mut probe = Self::open_nth(nth)?;
+        probe.send_command(cmd)?;
 
-        if !probe.info.variant.support_power_funcs() {
-            return Err(Error::Custom(
-                "Probe doesn't support power control".to_string(),
-            ));
-        }
-
-        if enable {
-            log::info!("Enable 5V Output");
-            probe.send_command(commands::control::SetPower::Enable5V)?;
-        } else {
-            log::info!("Disable 5V Output");
-            probe.send_command(commands::control::SetPower::Disable5V)?;
+        match cmd {
+            commands::control::SetPower::Enable3v3 => log::info!("Enable 3.3V Output"),
+            commands::control::SetPower::Disable3v3 => log::info!("Disable 3.3V Output"),
+            commands::control::SetPower::Enable5v => log::info!("Enable 5V Output"),
+            commands::control::SetPower::Disable5v => log::info!("Disable 5V Output"),
         }
 
         Ok(())