This is a bullet style IR Dummy Camera. It has a continuous blinking red LED light. It's realistic looking could be mounted just about anywhere. It has a very easy adjusting bracket so it sets up in minutes. The batteries are easy to transform by simply gliding the sun shade off and placing 2 AA batteries (AA Batteries Not Included). Specifications: Measures 6 11/16" x 8 1/4" x 3 1/8".