Can be mounted on wall or ceiling using the included screws; Power source: 2 x AA 1.5V batteries (not included) Battery life: about 8 months. (Tested by 2*AA 1.5V 1500mA batteries.) Camera Height: 10cm; Bottom Diameter: 12.5cm This dummy camera can help you decrease and eliminate theft, robbery, break-ins, shoplifting by intimidating the criminals without the high cost of a real security camera. Finish Color: White Unit N.W.:150g; G.W.: 210g Mounting Method: two D holes with W slot On/off method: removal/ installation of batteries Material: ABS Package include: 2 x Dummy camera 2 x Mounting screws and plugs 2 x User Manual Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.