THEY ARE: Realistic simulation surveillance cameras, providing you with similar protections to real cameras, reducing the possibility of crime HOW TO WORK: With the same appearance to real cameras, people will think it's a real camera, even in the close distance during the day; With the built-in photoelectric sensor, the red LED light only illuminated at night, very eye-catching. They will 7x24 protects your safety. TIPS: Install both fake and real camera to protect your home and business with such little cost. Choose high-quality AA battery to prevent inferior batteries, leak liquid, and damage the battery case; EASY INSTALLATION: No wires needed, with attached screws, installs easily and quickly to ceiling/wall/surface. 2 pcs AAbatteries needed(NOT included).2 axis rotation, get desired angle easily. When replacing the battery, please avoid rain and moisture erosion to maintain the life of the battery case;Please dispose of used batteries properly to protect the environment. Note: BNT dummy fake security camera program is set to not light during the day, the he red light comes on automatically at night.