Features: Realistic shape, fine workmanship, and the working mode is exactly the same as a real monitor. Effectively frightens and deters thieves or outlaws so that they dare not approach. Significantly reduces the cost of security used in combination with a real monitor. Internal red LED light, keeps flashing once every 2-3 seconds after batteries are installed. Applicable to supermarkets, hotels, parking lots, libraries, offices, warehouses, marketplaces, parks, residential areas and etc. Installation Method:1. Identify the screw hole position on the wall;2. Use the electric impact drill to drill 2 holes at the fixed screw hole position;3. Put the expansion screw in and the process installation is completed.Specification:Material: ABSColor: Shown as pictureBattery: 2*AA(No.5) batteries (excluded)Bottom Diameter: Approx.12.5cm/4.9inHeight: Approx.9cm/3.5inPackage Weight: Approx.177g/6.2ozPackage List:1 * Dummy Camera1 * Expansion Tube1 * Screw KitNote:1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.