This is the Steelmate C20 Back Up Camera Kit with 2 Cameras with 2 Cameras and Voice Control.

It is designed for use on commercial trucks or other commercial vehicles and is a true multi channel all in one digital video recorder. 

VOICE CONTROL?

Yes this system has voice control, meaning you can speak to it and "tell it" to display a specific camera!

See example below:

"turn on screen"          "turn off screen"
"turn on audio"           "turn off audio"
"show front camera"     "show rear camera"
"show both cameras"   - It displays 4 split

The system records automatically after turning the ignition on, while each channel (camera) is saved in a separate file. The cameras of small dimensions and thanks to the lens high aperture, It records a clear image in the dark even without IR leds. The system uses 720p AHD cameras, it is possible to add/use also AHD cameras of other brands. When installing on a truck/trailer, it is necessary to insert also the M12 flexi cable. The main functions can also be controlled by voice (turn on, turn off the screen, switch camera view).

Number of Cameras/Channels:
2 Channel
Camera Resolution:
Front Camera: 720p @ 30fps
Rear Camera: 720p @ 30fps
Is Camera Equipped with WiFi for Smartphone Connection:
No
Is Camera Equipped with GPS Receiver:
No
Camera Model Number:
C20 
Camera Field of View:
Front: 170°
Rear: 170°
Camera Color and Design:
The screen and cameras are black in colour, cameras are made of steel.
Type of Memory Card and is it Included:
MicroSD sold separately
Memory Card Support:
Supports up to 64GB MicroSD card
Power Consumption:
DC 12V - 24V
Viewing Software Available:
No
Computer Compatibility:
Windows & Mac via Mini USB Cable
Does This Camera Have an LCD Screen for Footage Viewing:
Yes
Does This Camera Have Built-in Battery Protection:
No, parking mode not available.
Operating Temperature:
-20 C to +70 C
Country of Origin:
China

Features:

Display                            IPS
Screen Size diagonal                          7"
Speaker                           yes, built-in
Brightness                       3 levels
Parking lines                    on / off
Mirror image                    on / off
Display                            1ch, 2ch split
Lock the recorded file        yes by button
Time/date/number plate    yes, reg.no. on / off
Dimensions                      182 x 120 x 27 mm without stand and shield
Universal camera support                        yes, other AHD cameras also supported
PAL or NTSC cameras supported (in the menu - after flashing the firmware)