DDPAI Z40 Dual Channel Car DVR

DDPAI Z40 Dual Channel Car DVR

Today we will consider a novelty: DDPAI Z40 video recorder. The model is equipped with two cameras, there is built-in Wifi, GPS, and you can buy a power supply module from the car battery for 24-hour monitoring in the parking lot. The model is built on a high-quality Sony IMX335 matrix in conjunction with Sigmastar SSC33, and it records with a resolution of 1944P HD and a rear camera of 1920×1080 25 fps. There is a Russian language in the menu and a functional mobile application for managing and viewing the footage. More details under the cut.

Let’s start the review with the declared characteristics of the product.
Specifications
Model: Z40 dual GPS
Processor: SigmaStar 8629Q
Sensor: Sony IMX335
Lens: F1.8, 6 glass
Main camera video resolution: 2592×1944
Video format: H.264
Viewing angle: 140°
Rear camera: 1080P, F2.0, FOV125°
Rear camera dimensions: 54x39x29 mm
Screen: 2.0" IPS
WiFi: 2.4 GHz
Gyroscope: 3 axes
Max memory card size: 128 GB
Supercapacitor: 2.5 F
Power: 5 V 2 A
Dimensions: 81 x 61 x 44 mm

DDPai Mini Hardware Kit
Scope of delivery:

In addition to the voltage conversion unit itself, cables with various types of fuses are supplied.
This kit is for direct connection of the DVR to the car battery, it is necessary for the 24-hour parking mode to work.

This is not just a stupid DC-DC converter, it detects the inclusion of ACC and monitors the voltage on the battery so as not to "land" its charge to zero. The length of the cable is 3.5 meters, the connector is type C, respectively.
Output parameters of the converter for current:

Parameters of the power supply unit (you can evaluate the efficiency of the converter):

The appearance of the DVR
Finally got to the DVR. There are 4 mechanical control buttons under a 2" screen. It is mounted on glass using a plastic bracket, from which it can be removed if necessary. The camera (lenses – glass!) Can be adjusted up and down.

Device weight: 110
Let’s look at the case from all sides:

The slot for the memory card is closed with a plug.
On the top connectors: for power and rear camera.
When you first turn on, the recorder gives Tips for proper installation:

Rear camera
It also has a wide range of height adjustment. />
The cable is enough for any car, connector in the corner recorder:

Device menu
Menu with intuitive icons:

The operation of the parking mode and the sensitivity of the shock sensor are configured there.
There is a Russian language:

Firmware version:

Operation
The DDPAI Z40 is powered by the car’s on-board network or HardWire Kit, it does not have a built-in battery, and the shutdown is due to the use of a supercapacitor (ionistor 5.5 V with a capacity of 2.5 F). This solution has an unlimited service life (does not swell like a lithium battery) and is more resistant to extreme temperatures.
With the rear camera, the current consumption during recording is about 1A:

Installation does not take much time. On the glass, to facilitate dismantling, it is better to place the film. The main thing is not to forget to degrease the glass. For dismantling, a plastic spatula is included in the kit.

The operation of the recorder is accompanied by voice prompts. The cold start time of the GPS module is about 3-4 minutes.
The rear camera is just as easy to mount:

The structure of the files on the memory card:

The photo from the DVR in real size:

Rear Camera:

Examples of recording from the device
First on youtube, then the originals of the videos on YAD.
Main camera:

Format: MPEG-4
Format profile: Base Media
Codec ID: isom (isom/iso2/avc1/mp41)
File size: 140 MiB
Duration: 1 min 0 s
Overall bit rate: 19.5 Mb/s
Writing application: Lavf58.20.100

Video

Video
%3Cp%3EAudio%20%3Cbr%20/%3EID:%203%20%3Cbr%20/%3EFormat:%20AAC%20LC%20%3Cbr%20/%3EFormat/Info:%20Advanced%20Audio%20Codec%20Low %20Complexity%20%3Cbr%20/%3ECodec%20ID:%20mp4a-40-2%20%3Cbr%20/%3EDuration:%201%20min%200%20s%20%3Cbr%20/%3EBit%20rate% 20mode:%20Constant%20%3Cbr%20/%3EBit%20rate:%2034.9%20kb/s%20%3Cbr%20/%3EChannel(s):%201%20channel%20%3Cbr%20/%3EChannel%20layout :%20C%20%3Cbr%20/%3ESampling%20rate:%2016.0%20kHz%20%3Cbr%20/%3EFrame%20rate:%2015.625%20FPS%20(1024%20SPF)%20%3Cbr%20/% 3ECompression%20mode:%20Lossy%20%3Cbr%20/%3EStream%20size:%20256%20KiB%20(0%)%20%3Cbr%20/%3ETitle:%20SStar%20Audio%20%3Cbr%20/% 3EDefault:%20Yes%20%3Cbr%20/%3EAlternate%20group:%201%20%3Cbr%20/%3E%3C/p%3E

Format: MPEG-4
Format profile: Base Media
Codec ID: isom (isom/iso2/avc1/mp41)
File size: 60.0 MiB
Duration: 1 min 0 s
Overall bit rate: https://jiji.ng/ajah/25-pants 8 375 kb/s
Writing application: Lavf58.20.100

Video

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