OBD Hardwire Kit 5V 3A USB – 24Hr Dash Cam Parking Monitor
OBD Hardwire Kit with 24-Hour Parking Monitoring for Dash Cams & DVRs
Keep your dash cam or vehicle DVR powered around the clock with this 2-piece OBD Hardwire Kit. Delivering a stable 5V / 3A USB output, it connects directly to your car's OBD port and lets you choose between two power modes — so your camera is always ready, whether the engine is running or parked.
Dual Power Modes — Maximum Flexibility
- "O" Mode (ACC Power): Powers your dash cam via the vehicle's ACC circuit. Automatically cuts power approximately 5 minutes after the engine stops, protecting your battery.
- Battery Mode (24-Hour Parking Monitor): Draws power directly from the car battery, keeping your dash cam recording continuously — ideal for unattended parking surveillance.
Key Specifications
- Input Voltage: 12V – 24V (compatible with most cars, SUVs, and trucks)
- Output Voltage: 5V DC
- Output Current: 3A (3000mA)
- Output Interface: USB
- Material: Durable ABS housing
- Includes: 2 x OBD Hardwire Cables with switch wire
- Compatible Devices: Dash cams, camcorders, vehicle DVRs, mobile phone charging
Why Choose This OBD Hardwire Kit?
- ✅ No complex wiring — plugs directly into the OBD port for a clean, fuss-free install
- ✅ Dual-mode switch gives you full control over ACC vs. continuous battery power
- ✅ 5V / 3A output ensures fast, stable charging and consistent camera operation
- ✅ Wide 12V–24V input range suits cars, vans, SUVs, and light trucks
- ✅ Compact ABS construction built to withstand everyday in-vehicle use
For guidance on safe vehicle electrical accessories and dash cam installation best practices, visit the U.S. Consumer Product Safety Commission (CPSC).
Frequently Asked Questions
Q: What does this OBD hardwire kit do for my dash cam?
A: This OBD hardwire kit provides a reliable 5V 3A USB power source for your dash cam, camcorder, or vehicle DVR directly from your car's OBD port. It features a dual-mode switch: ACC mode (cuts off ~5 minutes after engine stops) and Battery mode (continuous 24-hour parking monitoring power). No cutting or splicing of wires is needed.
Q: Will this hardwire kit drain my car battery?
A: In ACC ("O") mode, the kit automatically cuts power approximately 5 minutes after the engine shuts off, preventing battery drain. In Battery mode, power is drawn continuously for 24-hour parking monitoring — best used with a dash cam that has a built-in low-voltage protection feature to safeguard your vehicle's battery.
Q: What vehicles is this OBD hardwire kit compatible with?
A: The kit supports an input voltage range of 12V to 24V, making it compatible with most standard passenger cars, SUVs, vans, and light-duty trucks that have an OBD port (OBD-II standard, typically found on vehicles manufactured after 1996).
Q: How many cables are included in this kit?
A: This listing includes 2 x OBD hardwire cables with switch wire, giving you a complete dual-unit setup for two cameras or a backup unit.