Item number: ST-799WRS-4
This system combines a 7-inch HD quad monitor with built in DVR,1080P wireless cameras,quad-screen surveillance for vehicles such as RVs,trucks, trailers, and agricultural machinery.It’s ideal for enhancing safety,visibility,and recording during driving or reversing.
1080P HD Loop Recording: Your reliable eye on the road for insurance evidence.
100ft Stable Digital Link: Encrypted FHSS technology—Zero lag, Zero interference.
Quad-View Split Screen: Monitor up to 4 wireless cameras on one 7" IPS display.
IP69K All-Weather Guard: Built to withstand high-pressure washes and extreme blizzards
Designed for the Long Haul
Navigating a 40ft Fifth-Wheel in the US, a Heavy HGV in Europe, or a Rugged Caravan in Australia requires more than just a backup camera. You need a continuous observation system. Our Digital Wireless Technology eliminates the nightmare of running 60+ feet of video cables, saving you hours of professional installation costs.
Evidence When It Matters Most In the event of a blind-spot collision or highway incident, the integrated DVR Engine provides crystal-clear 1080P video evidence. Supporting up to 256GB SD cards, the system records all active channels simultaneously, ensuring you are always protected.
| Category | Parameter |
|---|---|
| Screen Size | 7" IPS AHD 1080p |
| Resolution | 1024*600*RGB |
| Video Input | 4 ways Channel Video |
| Auido input | 1 Channel Audio |
| Display Modes | Single, dual, triple, quad split |
| Recording Format | Loop recording with SD card support |
| TV System | PAL/NTSC |
| Power supply | DC 12-32V |
| Power Consumption | 7W |
| Screen ratio | 16:9 |
| Brightness | 500 cd/m2, 1000cd/m2 optional |
| Operating Frequency | 2.4G Digital wireless |
| Video Decode | H.264 |
| OSD menu | Yes |
| Connector | Power lead with lock |
| Operating Temperature | -30℃~70℃, RH 95% MAX |
| Accessories | User manual/Power cable/Sunshade/Bracket |
| Image Sensor | 1/2.9" CMOS sensor |
| Resolution | AHD 1080P |
| Effective Pixels | 1920(H) x 1080(V) |
| TV System | PAL/NTSC |
| Viewing angle | 120 Degree |
| Power supply | DC 12-32V |
| Waterproof Level | IP69K |
| IR lights | 18Pcs |
| Transmission Distance | 200M |
| Video Decode | H.264 |
| Power Consumption | <3W |
| Maximum current | <250mA |
| Minimum Illumination | 0.1 Lux (day), 0 Lux (with IR) |
| Video Output | 1.0 Vp-p/75 Ohm |
| IR cut | Yes |
| Connector | Power lead with lock |
| Body Housing | Zinc alloy housing |
| Operating Temperature | -30℃~70℃, RH 95% MAX |


Perfect for trucks,RVs,Agricultural machinery,and Forklifts,helping drivers avoid collisions and improve visibility in all conditions

A: Absolutely. Our system uses advanced 2.4GHz Digital Frequency Hopping technology. Unlike analog systems that flicker, this digital link is encrypted and high-powered, providing a rock-solid, interference-free 1080P video feed on vehicles up to 100 feet (30 meters) long, even at highway speeds.
A: Yes. The monitor features a built-in Industrial-Grade DVR. By inserting a Class 10 MicroSD card (up to 128GB), the system automatically records all active camera channels in Full HD 1080P. This provides vital video evidence for insurance claims in the event of an accident or blind-spot incident.
A: It is designed for Plug-and-Play DIY installation. Since there are no long video cables to run through the vehicle chassis, you simply power the monitor via the cigarette lighter and connect the cameras to the reverse or running lights. Most customers complete the setup in under 30 minutes.
A: Yes. Our heavy-duty cameras are equipped with High-Power Infrared (IR) LEDs and an intelligent IR-Cut filter. Even in 0-lux total darkness, the system delivers a sharp, high-contrast color image, allowing for safe maneuvering in dark campsites or loading docks.
A: Yes, the 7-inch IPS monitor supports Quad-Split Screen mode. You can pair up to 4 wireless cameras (e.g., Rear, Front, Left Side, Right Side) and view them simultaneously or individually with the touch of a button.
A: Our cameras are rated IP69K, the highest industrial waterproof and dustproof rating. They are vacuum-sealed with specialized glue to withstand high-pressure steam cleaning, heavy snow, and extreme vibrations, making them ideal for Off-road Caravans and Commercial Trucks.
A: No. We utilize high-speed digital processing to ensure a real-time 30FPS transmission. There is no perceptible lag between what is happening behind your vehicle and what you see on the screen, which is critical for high-speed lane changes.
A: Yes. The system features a Wide Voltage Range (DC 12V - 36V). It is compatible with everything from small passenger vans and Utes to heavy-duty Semi-trucks, Harvesters, and construction machinery.

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