Product description: This police vehicle surveillance cctv system includes PTZ camera, mobile MNVR, keyboard controller/joystick, monitor screen/display, and mounting bracket. 1. PTZ camera: Resolution: 690p/1080p HD IP; optical zoom: 18x, 20x, 30x for choice; Rotation angle: 360 degrees continue; Waterproof rate: IP66; Mounted way: with anti shock base and mounting bracket on roof of vehicle. 2. Mobile MNVR: This PTZ camera can compatible with SOWZE 4 channels or 8 channels mobile MNVR. The MNVR supports SD card and HDD up to 2TB storage, built in GPS, WIFI, 3G, 4G modules for remote and real time monitoring. 3. Joystick and display: The joystick is used to control camera PTZ via RS485 with cable. And the display is available with 7inch and 10inch for your choice. 4. Mounting bracket: Small vehicle roof bar bracket, without shock absorbing seat, suitable for all kinds of vehicle installation, no drilling, easy installation, adjustable height. (Applicable to ordinary small cars, pickup trucks and other light car installation). 5. Application areas: Police car, plice vehicle, mobile, police truck, law enforcement, boat, ship, rapid deployment, robotice surveillance vehicle, robotic patrol vehicle...