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4 Channel SD Car DVR Support 4pcs 64GB SD Card
Model: KD-307

Product description:
4 channel SD card dvr can support 4 piece SD card can be used in car bus ship or home
This 4CH SD Car DVR is a new generation of high-performance Mobile DVR which designed and produced for the development of vehicle surveillance. It adopts DSP+FPGA embedded high-speed processor of ADI and features four in-car cameras that capture high quality, high resolution video day and night. This is a real-time, high-definition, low-consumption and simple-operation professional Mobile DVR that comes with everything required for simple installation.
Main Features:
Video and Audio
* MPEG4 compression, real-time recording(PAL 25fps and NTSC 30fps for each channel)
* D1(DVD) resolution for one channel recording, CIF(VCD) for four channels recording
* Support four channels video and one channel audio recording, synchronization with video
and audio
Recording Mode
* Start recording automatically when DVR power on
* Support schedule recording
* Support alarm recording
Storage
* Support 4pieces SD card(1-64GB SD card available)
Power Input
* Support DC+12V and DC+24 optional. Applicable for vehicles with +12V or +24V battery.
* When the power connects in reverse polarity, the auto-protect function can prevent the recorder and battery from damage.
* The recorder provides each camera with stable +12V DC power; DVR can detect the short cut on power circuit.
*Can use ignition to control the power.
Specifications:
Video Recording | Video Input/ Output | 4 channels input/output, 75Ω, 1Vp-p, 1-4CH real-time recording |
Compression | MPEG4 | |
Video Norm | PAL/NTSC | |
Video Resolution | D1(1-ch recording) CIF (4-ch recording) | |
Frame Rate | 25fps(PAL) / 30fps(NTSC) | |
Video Recording Mode | Start recording after power on / Schedule/ Alarm | |
OSD | Overlay date/ time/ Vehicle ID | |
Audio | 1 channel, Micro line-in, synchronized with video | |
Alarm Input | 2 channels alarm input | |
Data Storage & Security | Support 4pcs SD card Video and audio data stored onto SD card Loop recording A lock to keep the SD card and data secure | |
Preview | 4-ch preview | |
Playback | Playback by PC playback software4-ch and 1-ch playback Support Play/Pause/Fast Forwarding/Fast Rewind/Slow Motion activities ect. Support video retrieve: by time | |
Power Manage | Support delay shutdown | |
Software | PC playback software | |
Software Upgrade | Upgrade with SD Card | |
Power-down Protection System | When system power-down, the last files can be saved completely. | |
Power Supply | DC+12V or DC+24V | |
Operational Current | 500MA--600MA(without including camera) | |
Standby Current | 25MA--30MA | |
Working Condition | Temperature: -20--+85°C Humidity: 0%-90% | |
Dimension | 183*130*49MM | |
Weight | 0.9Kg | |
Language | Chinese/ English | |
Pictures:
4SD slot:

Key slot:

Remote & cables:

Work diagram:
Leading time:
1. Normally, we will send out products after 3 working days after got your payment
2. We will use the Express to do the delivery like UPS,DHL,TNT,EMS and son on.
3. If we can not make delivery on time, we will contact you in advance, so, please leave your email or telephone number by message in order system.
After Service:
1. All products we sale have warranty for 12 months. (Problem because of the quality only)
2. We will not charged with the carriage for returned products.
3. All products will be repaired for free if they are in warranty date.
4. If you have any problem in use our products, please contact our stuff first.
