diff --git a/Cargo.lock b/Cargo.lock
index bbbb428..6233827 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -20,6 +20,15 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2fd1289c04a9ea8cb22300a459a72a385d7c73d3259e2ed7dcb2af674838cfa9"
 
+[[package]]
+name = "colored"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fde0e0ec90c9dfb3b4b1a0891a7dcd0e2bffde2f7efed5fe7c9bb00e5bfb915e"
+dependencies = [
+ "windows-sys",
+]
+
 [[package]]
 name = "core-foundation"
 version = "0.10.1"
@@ -66,6 +75,7 @@ dependencies = [
 name = "kulifuli-host"
 version = "0.1.0"
 dependencies = [
+ "colored",
  "eyre",
  "serialport",
 ]
@@ -238,3 +248,76 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "windows-sys"
+version = "0.59.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
+dependencies = [
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_gnullvm",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
+
+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
diff --git a/Cargo.toml b/Cargo.toml
index 5cc9f43..5f4737c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,6 +6,11 @@ edition = "2024"
 [profile.release]
 lto = true
 
+[[bin]]
+name = "kulifuli"
+path = "src/main.rs"
+
 [dependencies]
+colored = "3.0.0"
 eyre = "0.6.12"
 serialport = "4.7.2"
diff --git a/src/main.rs b/src/main.rs
index 98bb987..8aa3829 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,48 +1,64 @@
+use colored::Colorize;
 use eyre::{Result, bail, ensure, eyre};
 use serialport::TTYPort;
 use std::env::args;
-use std::io::{Read, Write, stdin, stdout};
+use std::io::{Read, Write};
 use std::process::exit;
 use std::str::FromStr;
 use std::time::Duration;
 
-fn main() -> Result<()> {
-    let args = args().collect::<Vec<_>>();
-    let serial_device = args.get(1);
-    if serial_device.is_none() {
-        println!("Please give a serial device path as program argument");
-        exit(1);
-    }
-    let serial_device = serial_device.unwrap();
+struct ParsedArgs {
+    serial_device: String,
+    duty_cycle: u8,
+}
 
-    let mut port = serialport::new(serial_device, 9600)
-        .timeout(Duration::from_secs(3600))
+fn main() -> Result<()> {
+    let args = parse_args();
+
+    let mut port = serialport::new(args.serial_device, 9600)
+        .timeout(Duration::from_secs(1))
         .open_native()?;
 
-    loop {
-        print!("Enter duty cycle: ");
-        stdout().flush()?;
-        let mut requested_dc = String::new();
-        stdin().read_line(&mut requested_dc)?;
+    println!("Sending to fan controller...");
+    let bytes_written = port.write(&[188, 92, 136, 14, 154, 39, 154, 139, args.duty_cycle])?;
+    if bytes_written != 9 {
+        bail!("Could not write enough bytes to serial device");
+    }
+    println!("Awaiting confirmation...");
 
-        if let Ok(duty_cycle) = u8::from_str(requested_dc.trim())
-            && duty_cycle <= 79
-        {
-            println!("Sending to fan controller...");
-            let bytes_written = port.write(&[188, 92, 136, 14, 154, 39, 154, 139, duty_cycle])?;
-            if bytes_written != 9 {
-                bail!("Could not write enough bytes to serial device");
-            }
-            println!("Awaiting confirmation...");
+    let response_byte = read_byte(&mut port)?;
+    if response_byte == args.duty_cycle {
+        println!("Duty cycle set succesfully");
+    }
 
-            let response_byte = read_byte(&mut port)?;
-            if response_byte == duty_cycle {
-                println!("Duty cycle set succesfully");
-            }
-        } else {
-            println!("Invalid duty cycle, should be an integer between 0 and 79");
-        }
-        println!();
+    Ok(())
+}
+
+fn parse_args() -> ParsedArgs {
+    let args = args().collect::<Vec<_>>();
+    if args.len() != 3 {
+        println!("Incorrect number of arguments");
+        println!("Usage: kulifuli {}", "serial-device duty-cycle".italic());
+        exit(1);
+    }
+    let serial_device = args.get(1).unwrap().clone();
+    let requested_duty_cycle = args.get(2).unwrap();
+
+    let duty_cycle = u8::from_str(requested_duty_cycle);
+    if duty_cycle.is_err() {
+        println!("Invalid duty cycle, should be an integer between 0 and 79");
+        exit(1);
+    }
+    let duty_cycle = duty_cycle.unwrap();
+
+    if duty_cycle > 79 {
+        println!("Invalid duty cycle, should be an integer between 0 and 79");
+        exit(1);
+    }
+
+    ParsedArgs {
+        serial_device,
+        duty_cycle,
     }
 }