Lutron - Diva Magnetic Low-Voltage Dimmer 450W Single-Pole 120V Satin Colors - DVSCLV-600P-xx 

•  For Use with Magnetic Low Voltage Transformers
• 450W (600VA) Max
• Single Pole Switch
• Standard ON/OFF with Slide Dimming
• Large Paddle Switch and Small Slide Dimmer enables Accurate Dimming
• Built-in Soft Glow Night Light Visible in the Dark
• Locator Light Helps you Navigate through a Dark Room and Acts as a Night-light
• RFI Filter Suppresses Interference for Increased Performance
• Works with Any Standard Decorator Wallplate (Sold Separately)