Walnut Light Sensitive Switch can switch ON any Lighting device automatically when Dark falls and switch OFF in the morning automatically. Easy Connection Automatic switching on and off operation. Input power: AC Mains 220V Single phase 50 Hz. Output: AC 220V Single phase 50 Hz 4 Amp Max. Compact & Durable Design Walnut Day night switch Saves energy saves electricity, no need to manually switch on and off the light, easy to install, and is durable. Just install this smart LDR - Dusk to Dawn sensor Twilight switch for Street Lights, homes, offices, Warehouses, Factories, or farms, and watch your electricity bills cut down. Applications: This Day Night Switch Can be used for Security Lights, Street Lights, and Glow sign boards. Hoardings or any electrical device, Parking lot lighting, Shops, garden lighting, passage lighting, doorway lighting, etc., and other places for automatic lighting.