This small day-night switch can switch on any Electrical device automatically when Dark falls and switch off in the morning automatically. A day/night switches outdoor lighting on and off automatically. It consists of a light-sensitive element that registers the brilliance of the ambient light. A switch is activated when the daylight reaches the pre-set level. Brief changes in light caused by clouds, car lights, lightning, etc. will not activate the switch. 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:Security Lights, Street Lights, 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.Warranty Condition: Use this product only as intended (as described in the user instructions). Changes or modifications to the product or painting will result in a loss of warranty. You should check the device for damage immediately after unpacking it. If there is any damage, you should not install the device under any circumstances. If you suspect that the safe operation of the device cannot be guaranteed, you should turn the device off immediately and make sure that it cannot be operated unintentionally.

• Easy installation