Name: Simulated dome-type surveillance camera with lighting (fake hemisphere, dummy camera, simulation camera) Purpose: To simulate a real camera, reduce costs, and serve as a deterrent and anti-theft device. Battery: The product does not come with batteries; two AA batteries are required. Battery life: Approximately 2 months (with two batteries) Operating status: Flashing red light (1-2 second interval) Installation: It is recommended to use expansion screws for installation and mounting. Double-sided foam adhesive and other mounting methods are also possible (when using double-sided foam adhesive, first determine the viscosity of the mounting surface, as it may not adhere properly if the surface is too weak). In the doorway or at an intersection, install a monitor so that outlaws won't dare to look at you, allowing you to work with peace of mind. 1. Realistic appearance, affordable price, suitable for families, shopping malls, factories, businesses, etc. 2. Creates a realistic look, acts as a deterrent, and prevents theft. 3. The red light flashes when the batteries are charged. Note: The red light flashes when the batteries are charged; there is no need to change the battery. The battery is depleted until it is replaced, then replace it with a new one. Product Material: ABS styrene Product Style: As shown in the picture Product Weight: 155g Product Size: Bottom diameter 11.5cm, Height 7.5cm Notes: Uses two #5 batteries (not sold separately) Notes: 1. The color displayed on your computer monitor may be slightly different from the actual color of the item. 2. Dimensions are measured manually with an error of 1-3mm.