✔Unique Book Design:Built 1mm miniature lens match the book designed to look like any book, Can easily carry and be concealed in your book collection or working to use

✔Built-in 10,000mAh Super Capacity Battery: Promise continuously recording time up to 30 hours and night vision recording time up to 10 hours. Or PIR body motion activated recording time standby up to 2 years

✔Advanced No Light Night Vision Technology: Conbrov’s black LED function is especially designed for capturing movement at greater distances, promise night vision range up to 20 to 25 feet(LED not light up in use)

✔720P HD Video Quality:1280*720P video resolution,has a concealed camera lens with daylight HD Color Video and night black & white video with 75 Degree camera wide angle view,record with date/time watermark which is adjustable

✔Multiple Functions for Diverse Use: PIR body Motion Detection record,Mute record and loop recording supports up to 32 GB Micro SD card (Not included). In the loop recording mode, when the SD card fills to capacity, the camera will automatically record new files overwrite the older files (Loop and audio could be turned on or off easily as you want)