We specialize in the production of various Usb DVR pen, Work permit type (ID card type) micro-recorder, Mini Hidden DVR Camera, Button Camera with Remote control Video Recording System, MP3 DVR / CCTV DVR / Mini DVR, Watch Mini DVR/New camera watch 1. 8 inch TFT DVR/hidden camera, Covert Briefcase Mini DVR with Romote Control Panel, Wireless GSM Device SIM Card Surveillance VOICE MONITOR, spy Sunglasses, DIGITAL CAMERA BINOCULARS, GPS Tracker, IP camera, speed camera and so on, if you have any intersting, pls don't hesitated to contact us by email or Skype: Kalanerica, our mobile: 0086-13823638301,our website: www.kalanhk.com