diff --git a/main.go b/main.go
index 630207b..944005a 100644
--- a/main.go
+++ b/main.go
@@ -48,6 +48,7 @@ type model struct {
 	interval   textinput.Model
 	duration   textinput.Model
 	output     textinput.Model
+	fps        textinput.Model
 	focusIndex int
 	inputs     []textinput.Model
 	spinner    spinner.Model
@@ -60,6 +61,8 @@ type model struct {
 	recordingDone bool
 	finalMessage  string
 	err           error
+	intervalValue float64
+	fpsValue      float64
 }
 
 // Styles
@@ -102,7 +105,7 @@ var (
 func initialModel() model {
 	m := model{
 		state:   stateMenu,
-		inputs:  make([]textinput.Model, 3),
+		inputs:  make([]textinput.Model, 4),
 		spinner: spinner.New(),
 		logs:    make([]string, 0),
 	}
@@ -124,6 +127,13 @@ func initialModel() model {
 	m.duration.Width = 30
 	m.duration.Prompt = "│ "
 
+	// Setup fps input
+	m.fps = textinput.New()
+	m.fps.Placeholder = "30" // Default to 30 FPS
+	m.fps.CharLimit = 10
+	m.fps.Width = 30
+	m.fps.Prompt = "│ "
+
 	// Setup output input
 	m.output = textinput.New()
 	m.output.Placeholder = "timelapse.mp4"
@@ -133,7 +143,8 @@ func initialModel() model {
 
 	m.inputs[0] = m.interval
 	m.inputs[1] = m.duration
-	m.inputs[2] = m.output
+	m.inputs[2] = m.fps
+	m.inputs[3] = m.output
 
 	m.spinner.Spinner = spinner.Dot
 	m.spinner.Style = lipgloss.NewStyle().Foreground(lipgloss.Color("#7D56F4"))
@@ -214,26 +225,29 @@ func (m model) updateMenu(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 			return m.startRecording()
 		}
 
-		// Cycle through inputs
+		// Cycle through inputs and button
 		if s == "up" || s == "shift+tab" {
 			m.focusIndex--
 		} else {
 			m.focusIndex++
 		}
 
-		if m.focusIndex > len(m.inputs) {
+		// Wrap around
+		if m.focusIndex > len(m.inputs) { // len(m.inputs) is 4. indices 0,1,2,3 for inputs, 4 for button
 			m.focusIndex = 0
 		} else if m.focusIndex < 0 {
-			m.focusIndex = len(m.inputs)
+			m.focusIndex = len(m.inputs) // Go to button
 		}
 
-		cmds := make([]tea.Cmd, len(m.inputs))
-		for i := 0; i <= len(m.inputs)-1; i++ {
+		var cmds []tea.Cmd
+		for i := 0; i < len(m.inputs); i++ {
 			if i == m.focusIndex {
-				cmds[i] = m.inputs[i].Focus()
+				// Set focused state
+				cmds = append(cmds, m.inputs[i].Focus())
 				m.inputs[i].PromptStyle = focusedStyle
 				m.inputs[i].TextStyle = focusedStyle
 			} else {
+				// Remove focused state
 				m.inputs[i].Blur()
 				m.inputs[i].PromptStyle = noStyle
 				m.inputs[i].TextStyle = noStyle
@@ -243,9 +257,13 @@ func (m model) updateMenu(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 		return m, tea.Batch(cmds...)
 	}
 
-	// Handle character input for focused field
-	cmd := m.updateInputs(msg)
-	return m, cmd
+	// Handle character input for focused field if it's an input field
+	if m.focusIndex < len(m.inputs) {
+		cmd := m.updateInputs(msg)
+		return m, cmd
+	}
+
+	return m, nil
 }
 
 func (m model) updateRecording(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
@@ -294,25 +312,38 @@ func (m model) startRecording() (tea.Model, tea.Cmd) {
 		return m, nil
 	}
 
-	output := m.inputs[2].Value()
+	output := m.inputs[3].Value()
 	if output == "" {
 		output = "timelapse.mp4"
 	}
 
+	fps := m.inputs[2].Value()
+	if fps == "" {
+		fps = "30"
+	}
+	fpsFloat, err := strconv.ParseFloat(fps, 64)
+	if err != nil || fpsFloat <= 0 {
+		m.state = stateError
+		m.finalMessage = "Invalid FPS value (use a positive number)"
+		return m, nil
+	}
+
 	// Change state to recording
 	m.state = stateRecording
 	m.startTime = time.Now()
 	m.recordingDone = false
+	m.intervalValue = intervalFloat
+	m.fpsValue = fpsFloat
 
 	// Start the Python subprocess
 	return m, tea.Batch(
 		m.spinner.Tick,
 		tick(),
-		m.runTimelapse(intervalFloat, durationFloat, output),
+		m.runTimelapse(intervalFloat, durationFloat, fpsFloat, output),
 	)
 }
 
-func (m model) runTimelapse(interval, duration float64, output string) tea.Cmd {
+func (m model) runTimelapse(interval, duration, fps float64, output string) tea.Cmd {
 	return func() tea.Msg {
 		// Build command
 		cmd := exec.Command(
@@ -320,6 +351,7 @@ func (m model) runTimelapse(interval, duration float64, output string) tea.Cmd {
 			"timelapse.py",
 			"-i", fmt.Sprintf("%.2f", interval),
 			"-d", fmt.Sprintf("%.2f", duration),
+			"-f", fmt.Sprintf("%.2f", fps),
 			"-o", output,
 		)
 
@@ -438,8 +470,8 @@ func (m model) viewMenu() string {
 	b.WriteString(label + "\n")
 	b.WriteString(m.inputs[1].View() + "\n\n")
 
-	// Output input
-	label = "Output file:"
+	// FPS input
+	label = "Output FPS:"
 	if m.focusIndex == 2 {
 		label = focusedStyle.Render("▸ " + label)
 	} else {
@@ -448,9 +480,19 @@ func (m model) viewMenu() string {
 	b.WriteString(label + "\n")
 	b.WriteString(m.inputs[2].View() + "\n\n")
 
+	// Output input
+	label = "Output file:"
+	if m.focusIndex == 3 {
+		label = focusedStyle.Render("▸ " + label)
+	} else {
+		label = blurredStyle.Render("  " + label)
+	}
+	b.WriteString(label + "\n")
+	b.WriteString(m.inputs[3].View() + "\n\n")
+
 	// Start button
 	button := "[ Start Recording ]"
-	if m.focusIndex == 3 {
+	if m.focusIndex == 4 {
 		button = focusedStyle.Render("▸ " + button)
 	} else {
 		button = blurredStyle.Render("  " + button)
@@ -483,6 +525,10 @@ func (m model) viewRecording() string {
 	}
 
 	b.WriteString(fmt.Sprintf("\nElapsed:  %s\n", elapsed.Round(time.Second)))
+	if m.fpsValue > 0 {
+		recordedTime := time.Duration(float64(m.progress.current)/m.fpsValue*float64(time.Second))
+		b.WriteString(fmt.Sprintf("Recorded: %s\n", recordedTime.Round(time.Second)))
+	}
 
 	// Show recent logs
 	if len(m.logs) > 0 {