This system can be used as a night light as this system will switch on automatically at night. This system is equipped with day/night sensor, this day/night sensor constantly checks and monitor the available light. The day/night sensor will automatically switched this system on at night and off in day light. You can use this as a night light, security light as this system will only go on at night. This is a low cost night light that can be use in very different applications to provide light only at night