Usage Tips:Features:Constructed from and durable materials with compact structure, simple and quick installation.Realistic shape, fine workmanship, and the working mode is exactly the same as a real monitor.With red flashing Led light, 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.Suitable for supermarkets, hotels, parking lots, libraries, offices, warehouses, marketplaces, parks, residential areas and etc.Powered by 2 * "AA" batteries (not included) you can buy it at any convenience store.Specification:Condition: Brand Material: ABSDome Material: Transparent Polystyrene PlasticColor: Black, White(Optional)Size: As picture shownCamera Rotation: 360L / R RotationCamera Angle: Fixed 45 DegreeCamera Lens Diameter: 11mm black plastic lensCamera Activation: ContinuousPower: 2 * 1.5V "AA" (NO.5) batteries(Not Included)Power Indicator: Red Flashing Led Light(flashed by detector)Package List:4 * Dome Simulation Camera4 * Screw Kit