diff --git a/handler.sh b/handler.sh
index 82ab0ed..47663aa 100644
--- a/handler.sh
+++ b/handler.sh
@@ -24,10 +24,13 @@ case "$EVENT" in
         PREV_ENDPOINT=$8
 ;;
 "added")
+
 ;;
 "removed")
     
 ;;
+"transfered")
+
 *)
 exit 1
 ;;
diff --git a/wg-event-gen/Cargo.lock b/wg-event-gen/Cargo.lock
index 05274a0..30314c1 100644
--- a/wg-event-gen/Cargo.lock
+++ b/wg-event-gen/Cargo.lock
@@ -132,6 +132,11 @@ name = "libc"
 version = "0.2.47"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "number_prefix"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "proc-macro2"
 version = "0.4.27"
@@ -251,6 +256,7 @@ dependencies = [
  "base64 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "derive_builder 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "number_prefix 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "structopt 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "structopt-derive 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -292,6 +298,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "805026a5d0141ffc30abb3be3173848ad46a1b1664fe632428479619a3644d77"
 "checksum ident_case 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
 "checksum libc 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)" = "48450664a984b25d5b479554c29cc04e3150c97aa4c01da5604a2d4ed9151476"
+"checksum number_prefix 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "17b02fc0ff9a9e4b35b3342880f48e896ebf69f2967921fe8646bf5b7125956a"
 "checksum proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)" = "4d317f9caece796be1980837fd5cb3dfec5613ebdb04ad0956deea83ce168915"
 "checksum quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)" = "53fa22a1994bd0f9372d7a816207d8a2677ad0325b073f5c5332760f0fb62b5c"
 "checksum redox_syscall 0.1.50 (registry+https://github.com/rust-lang/crates.io-index)" = "52ee9a534dc1301776eff45b4fa92d2c39b1d8c3d3357e6eb593e0d795506fc2"
diff --git a/wg-event-gen/Cargo.toml b/wg-event-gen/Cargo.toml
index b7f2272..ca9ad05 100644
--- a/wg-event-gen/Cargo.toml
+++ b/wg-event-gen/Cargo.toml
@@ -11,6 +11,7 @@ time = "0.1.42"
 structopt = "0.2.14"
 structopt-derive = "0.2.14"
 derive_builder = "0.7.1"
+number_prefix = "0.3.0"
 
 [profile.release]
 lto = true
diff --git a/wg-event-gen/src/gen.rs b/wg-event-gen/src/gen.rs
index be7643b..3b3f5f2 100644
--- a/wg-event-gen/src/gen.rs
+++ b/wg-event-gen/src/gen.rs
@@ -50,7 +50,7 @@ pub(crate) fn gen_events(
                 }
                 if prev.traffic != cur.traffic {
                     if let ((p_tx, p_rx), (c_tx, c_rx)) = (prev.traffic, cur.traffic) {
-                        listeners.fire(Event::Tranfered {
+                        listeners.fire(Event::Transfered {
                             peer: &cur,
                             tx: c_tx - p_tx,
                             rx: c_rx - p_rx,
diff --git a/wg-event-gen/src/listener.rs b/wg-event-gen/src/listener.rs
index 8b8562f..38c54c6 100644
--- a/wg-event-gen/src/listener.rs
+++ b/wg-event-gen/src/listener.rs
@@ -1,4 +1,5 @@
 use crate::Peer;
+use number_prefix::{NumberPrefix, Prefixed, Standalone};
 use std::net::SocketAddr;
 use std::path::PathBuf;
 use std::process::Command;
@@ -13,14 +14,19 @@ pub enum Event<'a> {
     Connected(&'a Peer),
     Disconnected(&'a Peer),
     Roamed(&'a Peer, SocketAddr),
-    Tranfered { peer: &'a Peer, tx: u64, rx: u64 },
+    Transfered { peer: &'a Peer, tx: u64, rx: u64 },
 }
 
 pub trait EventListener {
+    fn name(&self) -> &'static str;
+
     fn fire<'a>(&self, event: Event<'a>);
 }
 
 impl EventListener for Vec<Box<EventListener>> {
+    fn name(&self) -> &'static str {
+        "List of Listeners"
+    }
     fn fire<'a>(&self, event: Event<'a>) {
         self.iter().for_each(|l| l.fire(event.clone()));
     }
@@ -29,6 +35,10 @@ impl EventListener for Vec<Box<EventListener>> {
 pub struct LogListener;
 
 impl EventListener for LogListener {
+    fn name(&self) -> &'static str {
+        "Log"
+    }
+
     fn fire<'a>(&self, event: Event<'a>) {
         match event {
             Event::Connected(peer) => println!("{} connected!", peer.key),
@@ -41,9 +51,19 @@ impl EventListener for LogListener {
                 previous_addr,
                 peer.endpoint.unwrap()
             ),
-            Event::Tranfered { peer, tx, rx } => {
-                println!("{} transfered {} up, {} down", peer.key, tx, rx)
+            Event::Transfered { peer, tx, rx } => {
+                let prefix = |cnt: u64| match NumberPrefix::binary(cnt as f64) {
+                    Standalone(bytes) => format!("{}B", bytes),
+                    Prefixed(prefix, n) => format!("{:.0} {}B", n, prefix),
+                };
+                println!(
+                    "{} transfered {} up, {} down",
+                    peer.key,
+                    prefix(tx),
+                    prefix(rx)
+                );
             }
+
             _ => unimplemented!(),
         }
     }
@@ -107,6 +127,9 @@ impl ScriptListener {
 }
 
 impl EventListener for ScriptListener {
+    fn name(&self) -> &'static str {
+        "Script"
+    }
     fn fire<'a>(&self, event: Event<'a>) {
         match event {
             Event::Connected(peer) => self.call_sub(vec!["connected", &self.peer_props(peer)]),
@@ -120,6 +143,12 @@ impl EventListener for ScriptListener {
                 &self.peer_props(peer),
                 &previous_addr.to_string(),
             ]),
+            Event::Transfered { peer, tx, rx } => self.call_sub(vec![
+                "transfered",
+                &self.peer_props(peer),
+                &tx.to_string(),
+                &rx.to_string(),
+            ]),
             _ => unimplemented!(),
         }
     }