The built-in solar panel will recycle indoor lights of 100+ Lux as power source or it will use batteries power instead. Generally, two AAA batteries could last up to three years instead of one year. Equipped with a flashing red LED light which enhances the presence of camera and security. Professional designed to purposely deter unwanted intruders and solicitors with just a fraction of a cost of a real security camera. Mix in with real cameras for more dynamic presence or use individually to increase security anywhere.