[Direct recording without network]In the absence of WiFi, you can also record directly by simply inserting a memory card [Support recording]Built-in pickup, not only video, but also recording, clear sound quality without noise [Memory]Can support 128G memory,; continuous recording up to 20 days [Interface]USB universal interface, plug and play, 140 degree wide angle [Night Vision]With no light night vision, motion detection alarm push, installation without punching holes, 1080P HD screen Camera model: X5 USB interface: Micro-USB TF card: 8GB-128G (maximum support 128GB) (TF card file system FAT32) Lens: wide-angle 160° Power supply mode: power bank power supply, household power supply Recording video format: Real-time resolution: 1920x1080P Play software: the system comes with a player or mainstream audio and video player Computer : Other auxiliary functions: motion detection background alarm disconnected recording loop recording video playback timing recording alarm recording light off work With infrared function, night vision is only about 2 meters Mobile phone : Android/iOS Colour: black Material: plastic Package Contents: 4 x camera Only the above package content, other products are not included. Note: Light reflection 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.