01.40MP recording . 02.Built in big battery .10hours HD recording . 03.Support turn off the audio of video mode ,the record video without sound ;turn on it ,the video with sound . 04. Hidden recording function ,no voice and no indicator lights when camera working . 05.Mark and lock the important video files,can not delete it unless authorized. 06 .Menu with password ,without password can not view the videos in the camera . 07.One button recording ,loop recording, Motion detection function,do not miss any law enforcement picture. 08. Function of character superimposition, all videos and pictures will be attached with time,device ID, police ID and other information, they are unable to be edited or rearranged,providing more effective legal evidence. 09.Pre-recording the video, extended recording function, do not miss any law enforcement picture. 10.Main functions, namely video recording, photo-shooting 、sound recording . 11.Play audio, video and photo on scene 12.Video data will be partitioned and saved automatically, each 5/10/20/30/60minutes option ,   avoiding the data loss caused by faulty operation. 13.Red &blue Alarm light. 14. Function of strong night vision, able to see the facial appearance of humans clearly up to 10M in complete darkness. 15. Double-filter switcher, no color cast in the daytime, clearer in the night time. 16. Unable to look up or delete the data of recording files, unless authorized. 17.With rotation clip 2pcs. 18. Anti-shake function,support you to take clearer photos. 19.Waterproof: IP67 20.Built in WIFI hotspot,GPS(optional extra)