Standalone operation
Select a voice-alert version for an individual vehicle or an integration version for a commercial fleet.
MR688B Standalone Driver Monitoring System
group nameDMS (Driver Monitoring System)
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Min Order1 piece
brand nameAlwayCare Commercial Fleet Safety Manufacturer
modelDMS-MR688B
payment methodT/T, PayPal, Westem Union, Cash
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update timeSun, 16 Aug 2026 07:24:52 GMT
Paramtents
Voltage 12/24V
Optional I/O or RS232
Size 91.5x42.5x127.5mm
Application Suitable for All Vehicles
Operating Temperature -10℃ ~ 50℃
Warranty 15 Months
Packging & Delivery
Min Order1 piece
Briefing
MR688B standalone DMS provides fatigue, yawning, distraction and abnormal-driver alerts for 12/24V commercial vehicles.
Detailed
DMS-MR688B · Commercial fleet safety
What is MR688B?
MR688B is a compact standalone driver monitoring system for fleets that need in-cab fatigue and behavior alerts without committing to a full mobile DVR platform.
Fast evaluation
Four points to confirm first
Core driver alerts
Detects fatigue, yawning, distraction and abnormal driver conditions; overspeed alert support is also listed.
Fleet integration options
Professional variants can provide I/O or RS232 connections for compatible GPS or AVL equipment.
12/24V vehicle power
The current record lists 12/24V input for use across common commercial-vehicle electrical systems.
Verified capabilities
How MR688B supports fleet operations
Fatigue and yawning alerts
In-cab analysis provides an audible prompt when supported fatigue or yawning conditions are detected.
Distraction monitoring
The system can alert when the driver is not maintaining normal forward attention.
Abnormal-driver alert
A separate abnormality alert is listed for conditions outside the standard monitored behavior pattern.
Integration-ready variants
Choose I/O, RS232 or video-output variants according to the receiving GPS, MDVR or AVL system.
Current product record
Technical specifications
| Voltage | 12/24V |
|---|---|
| Optional | I/O or RS232 |
| Size | 91.5x42.5x127.5mm |
| Application | Suitable for All Vehicles |
| Operating Temperature | -10℃ ~ 50℃ |
| Warranty | 15 Months |
Specifications describe the current Tradebee record. Final hardware, interfaces, regional connectivity and accessories should be confirmed in the quotation.
Deployment examples
Where MR688B fits
Delivery and logistics fleets
Add a dedicated in-cab warning device where a full recorder replacement is not required.
Buses and coaches
Provide immediate driver prompts during long or repetitive operating schedules.
Mining and industrial vehicles
Use a compact DMS option for controlled-site fleet programs after installation validation.
Existing product video
See MR688B in context
Project planning
What should be confirmed before installation?
Use this checklist to align hardware, interfaces, platform scope and commissioning with the actual vehicle.
- 1
Choose standalone voice-alert or fleet-integration version.
- 2
Confirm whether the receiving system requires I/O, RS232 or video output.
- 3
Validate camera position, driver field of view and 12/24V power before installation.
- 4
Set the alarm policy and train drivers on the response procedure.
Preserved from the original page
Existing Product and Deployment Views
These verified images are retained from the previous product description to preserve its original function and application context.
Safety and configuration boundary
MR688B is a driver-assistance warning device. Detection depends on camera position, driver visibility, calibration and operating conditions; it does not replace attentive driving, training or fleet safety procedures.
Buyer questions
MR688B FAQ
Can MR688B work without an MDVR?
Yes. The current source lists a standard voice-alert version for standalone use. Integration variants are available when alarm or video output must connect to another fleet device.
Which behaviors does MR688B monitor?
The current record lists fatigue, yawning, distraction, driver abnormality and overspeed alerts. Confirm the exact enabled alarm set for the selected version.
How can it connect to an existing fleet system?
Professional variants list I/O or RS232, while video variants add video output. Match the cable and protocol to the receiving GPS, MDVR or AVL equipment.
What vehicles can use MR688B?
The record states 12/24V input and suitability for vehicles generally. Installation space, camera view, power and environmental conditions still need project-level validation.
What is the listed operating temperature?
The current product record lists -10°C to 50°C. Confirm enclosure placement and the expected in-cab temperature before deployment.
What should be provided for a quotation?
Share vehicle type, fleet size, required interface, preferred alarm outputs, installation environment and whether standalone or platform integration is required.
Build the correct configuration
Share your vehicle and fleet requirements
Tell AlwayCare the vehicle type, fleet size, required alerts, camera layout, interfaces, connectivity region and platform needs.
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- Acceptable payment methods
- T/T, PayPal, Westem Union, Cash