1080P HD Wireless WiFi Door Peek Hole Camera with Built-in Memory Card Specification: Type: Network Camera Support WiFi: 5G and 2.4G Operating Temperature: -5~50C Appearance Size: Diameter 16 Waterproof grade: not waterproof Voltage: 5V1A Horizontal definition: 1080P Pixel: 2MP Material: Metal Colour: Silver Lens: 1.44 Minimum illumination value: 0.001 Camera sensor size: 1/2.9 Bracket type: screw fixing Alarm function: motion detection photo Voice type: Pick up voice only Aperture: F0.9 Power supply: DC 5V Android power supply Night vision distance: 5m Built-in memory card: 32G 64G 128G Package Included: 1 x Mini camera 1 x Manual Notes: Transition: 1cm=10mm=0.39inch There may be some slight dimensional deviations due to manual measurement,different measurement methods and tools