Walnut Light Sensitive Switch Walnut Light Sensitive Switch can switch ON any Electrical device automatically when Dark falls and switch OFF in the morning automatically. Special features: Easy Connection with just two wires. 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 switching on and off the light, easy to install and durable. Just install this smart LDR - Dusk to Dawn sensor Twilight switch at your home, office, Warehouse, Factory or Farm and watch your electricity bills cut down. Applications: This Day Night Switch Can use for Security Lights, Street Lights, Glow sign boards.Hoardings or any electrical device , Parking lot lighting, Shops, garden lighting, passage lighting and doorway lighting etc.and other places for automatic lighting.