Main image and detail shots of the JFD-51.
JFD-51 (A512) 4K dual recording driving recorder (front 4K + rear 1080P / built-in GPS / no screen)
Send the vehicle type, quantity and market — we reply with a configuration and price within 24 hours.
Key features
- 4K + 1080P dual-lens dash cam, no screen: control through the FinalCamX App
- Chipset MSTSSC8629Q, Dual CA7 1GHz, 16M flash
- Front camera GC4653, lens 2G4P+1IR F1.8, angle D123° / H105° / V56°, 3840x2160P@30fps with WDR
- Rear camera GC2083, lens 2G2P F1.8 waterproof and antifog, angle D140° / H105° / V54°, 1920x1080P@30fps with HDR
- Built-in GPS; 2.4GHz WiFi (Realtek 8189 module) for App preview, download and sharing
- Recording quality: 2160P / 1440P / 1080P / 720P; video encoding H.265, TS stream
- Starlight night vision; shake reduction included
- Loop recording with 1 / 3 / 5 minute segments; power-failure protection keeps the last video
- G-sensor event lock: files are encrypted and not overwritten
- Parking monitoring / time-lapse recording (12 or 24 hours, 1 / 2 / 5 frames per second, needs matching power hardware)
- Three-axis high-precision G-sensor
- Interfaces: Type-C port compatible with 5V and 12V car charger / ACC step-down line; RTC button battery ML621
- TF card 16G-128G external expansion (other information write up to 256G)
- Bare unit 110 x 40 x 40 mm, bare weight 108g; compact windscreen housing
- Working temperature -20°C to +70°C, storage -30°C to +80°C
- 1 power button; PC+ABS housing, high temperature resistant
- Package: host, rear camera, power cord, instruction manual, packaging
Ordering notes
Points to confirm before production so the unit arrives ready to fit.
- Confirm single channel 4K or 4K+1080P dual recording, and whether it includes a pull-back lens
- The TF card capacity information is inconsistent: the specifications are written as 16G-128G, and the sell point is written as a maximum of 256G. Please confirm before placing an order
- Confirm whether the version has built-in GPS (lower version may not include GPS), GPS and camera can be optional as needed
- Confirm whether you need the supercapacitor version (default button battery + reserved farad capacitor)
- Confirm the power supply method: cigarette lighter car charger / ACC step-down cable / 8-core BMW cable
- Confirm whether a rear camera and its cable length are required.
- Confirm language, logo, packaging and boot screen.
- Confirm quantity, packaging and printing requirements in advance.
Installation & usage
Voltage, wiring, sealing and maintenance guidance for the installer.
- The main unit is fixed on the front windshield with 3M glue. Clean the glass before installation and avoid high temperature and humidity after pasting
- The power supply is 5V (Type-C) or 12V car charger; when using a step-down cable, connect it to normal power / ACC / ground according to the color of the cable. Do not reverse the positive and negative poles
- Parking monitoring/time-lapse video requires a voltage-reducing cable and low-voltage detection. Pay attention to the battery when parked for a long time
- Disconnect the power before inserting or removing the TF card.
- Before connecting the mobile phone to the recorder WiFi, first disconnect other WiFi saved on the mobile phone
- The sensitivity of the G-sensor is adjusted according to the car model. If the urban road surface is too high, the gear will be locked frequently
- The rear lens is installed near the rear license plate and leveled to avoid tilting the image
- Check the recording time, image and loop overwrite periodically, and export important footage promptly.
Specification guides for this kind of product
Written by our engineers for buyers comparing specifications, not slogans.
MDVR Buying Guide: How to Specify a Mobile DVR
How to choose a mobile DVR: channel count, SD versus hard drive, H.264 versus H.265, GPS and 4G, temperature ratings, UPS power and how much footage to keep.
The Wiring Mistake That Kills Monitors in MDVR Installations — And the Zero-Cost Fix
Why monitors fail months after an MDVR installation: power feed through the shared aviation cable, and the wiring change that isolates the two.
25, 30, 50 or 60 fps: What Actually Limits a Vehicle Camera’s Frame Rate
Why a camera that can run at 60 fps ships at 25, what the analogue and processor limits are, and how to check a frame rate claim.
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View detailsNeed a quotation for the JFD-51?
Send us the quantity, the vehicle or application, and the destination market. We will confirm the specification and quote within 24 hours.