diff --git a/README.md b/README.md
index f0795d4..46b3a0e 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # vim-singlechar
 
-A simple Vim plugin that lets you insert single characters without leaving normal mode.
+A simple Vim plugin that lets you insert single characters (including Unicode) without leaving normal mode.
 
 ## Overview
 
@@ -8,7 +8,7 @@ A simple Vim plugin that lets you insert single characters without leaving norma
 
 ## Features
 
-- Insert characters at or after the cursor position
+- Insert characters (supports Unicode) at or after the cursor position
 - Support for counts to insert a character multiple times
 - Stay in normal mode for efficient editing
 - Minimal workflow interruption
@@ -71,6 +71,13 @@ let g:singlechar_prompt = 'Press the character to insert - Press Esc to cancel..
 
 " Disable default mappings (if you want to create your own)
 let g:singlechar_no_mappings = 1
+
+" Show warning if more than one character is entered (default: enabled)
+let g:singlechar_keylen_warning = 1
+
+" Customize the warning message (default: 'Only the first character will be taken: {char}')
+let g:singlechar_warning_message = 'Only the first character will be taken: {char}'
+
 ```
 
 ## Commands
diff --git a/autoload/singlechar.vim b/autoload/singlechar.vim
index f14370e..bd8cefc 100644
--- a/autoload/singlechar.vim
+++ b/autoload/singlechar.vim
@@ -1,39 +1,41 @@
 vim9script noclear
- 
-# Function to handle character insertion
-# Parameters:
-#   mode:  'at' to insert before cursor, 'after' to insert after cursor
-#   count: number of times to repeat the character
-#   pkey: character to insert (optional)
-export def InsertChar(mode: string, count: number, pkey: string = ''): void
 
-    var key = pkey
-    if pkey == ''
+export def InsertChar(mode: string, count: number, input_char: string = ''): void
+    var warning_message = ''
+    var first_char = strcharpart(input_char, 0, 1)  # strcharpart for Unicode support
+
+    if input_char == ''
         echo g:singlechar_prompt
         redraw
 
         # Get character from user
         var char = getchar()
-        key = nr2char(char)
+        first_char = nr2char(char)
+    elseif g:singlechar_keylen_warning == 1 && strchars(input_char) > 1
+        warning_message = substitute(g:singlechar_warning_message, '{char}', first_char, '')
     endif
-    if key ==# "\<Esc>"
+
+    if first_char ==# "\<Esc>"
         return
     endif
-    
-    # Determine whether to insert before (i) or after (a) cursor
-    var cmd = (mode ==# 'at') ? 'i' : 'a'
-    var text = repeat(key, count)
 
-    execute 'normal! ' .. cmd .. text .. "\<Esc>"
-    #save
-    g:last_singlechar_key = key
+    # Determine whether to insert before (i) or after (a) cursor
+    var insert_command = (mode ==# 'at') ? 'i' : 'a'
+    var insert_text = repeat(first_char, (count == 0) ? 1 : count)
+
+    execute 'normal! ' .. insert_command .. insert_text .. "\<Esc>"
+    
+    # Save last used values
+    g:last_singlechar_key = first_char
     g:last_singlechar_mode = mode
     g:last_singlechar_count = count
 
-    #set vim-repeat
-    #if exists('*repeat#set')
-        legacy silent! call repeat#set("\<Plug>(singlechar-repeat)")
-    #endif
+    legacy silent! call repeat#set("\<Plug>(singlechar-repeat)")
+
+    if warning_message != ''
+        redraw!
+        echomsg warning_message
+    endif
 enddef
 
 def g:RepeatSingleChar(): void
diff --git a/doc/singlechar.txt b/doc/singlechar.txt
index 17b0258..ab2e7eb 100644
--- a/doc/singlechar.txt
+++ b/doc/singlechar.txt
@@ -27,7 +27,7 @@ INTRODUCTION                                              *singlechar-introducti
 vim-singlechar is a minimalist Vim plugin designed to optimize the workflow of
 inserting single characters during editing. It eliminates the need to enter insert
 mode for simple edits like adding punctuation, which helps maintain the flow of
-normal mode operations.
+normal mode operations. Now supports Unicode.
 
 ===============================================================================
 REQUIREMENTS                                              *singlechar-requirements*
@@ -111,6 +111,12 @@ Disabling default mappings: >
 Changing the prompt message: >
     let g:singlechar_prompt = 'Character to insert (Esc to cancel): '
 <
+Show warning if more than one character is entered (default: enabled): >
+    let g:singlechar_keylen_warning = 1
+<
+Customize the warning message (default: 'Only the first character will be taken: {char}'): >
+    let g:singlechar_warning_message = 'Only the first character will be taken: {char}'
+<
 ===============================================================================
 EXAMPLES                                                    *singlechar-examples*
 
diff --git a/plugin/singlechar.vim b/plugin/singlechar.vim
index 465158c..e4ddf80 100644
--- a/plugin/singlechar.vim
+++ b/plugin/singlechar.vim
@@ -32,7 +32,15 @@ endif
 
 # Prompt message shown when waiting for character input
 if !exists('g:singlechar_prompt')
-    g:singlechar_prompt = 'Press the character to insert - Press Esc to cancel...'
+  g:singlechar_prompt = 'Press the character to insert - Press Esc to cancel...'
+endif
+
+if !exists('g:singlechar_keylen_warning')
+  g:singlechar_keylen_warning = 1
+endif
+
+if !exists('g:singlechar_warning_message')
+  g:singlechar_warning_message = 'Only the first character will be taken: {char}'
 endif
 
 # ------------------------------------------------------------------------------ #
@@ -46,8 +54,8 @@ g:last_singlechar_count = 1
 nnoremap <Plug>(singlechar-repeat) :call g:RepeatSingleChar()<CR>
 
 # Direct command implementations
-command! -count=1 -nargs=0 InsertCharAt singlechar.InsertChar('at', <count>)
-command! -count=1 -nargs=0 InsertCharAfter singlechar.InsertChar('after', <count>)
+command! -count=1 -nargs=? InsertCharAt singlechar.InsertChar('at', <count>, <q-args>)
+command! -count=1 -nargs=? InsertCharAfter singlechar.InsertChar('after', <count>, <q-args>)
 
 # Create default mappings unless disabled
 if !exists('g:singlechar_no_mappings')