Light Sensitive Day Night Switch

We are offering light sensitive day night switch. Working: this small device can switch on any electrical device automatically when dark falls and switch off in the morning automatically. Special features: automatic switching on and off operation. input power: ac mains 220v single phase 50 hz. output: ac 220v single phase 50 hz 4 amp. Applications: security lights, street lights, glow sign boards. Hoardings or any electrical device ,parking lot lighting, garden lighting, passage lighting and doorway lighting etc.