Viofo T340WW 4CH Dash Cam 4K Front, Cabin & Dual Waterproof Rear
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The Viofo T340WW 4CH is a four-channel dash cam recording 4K 30fps at the front, 2K 30fps from a built-in infrared cabin camera, and 2K 30fps from two waterproof exterior cameras, part of Viofo's T340 range for larger vehicles.
To get the most from the T340WW 4CH, a Viofo 512GB high-speed endurance microSD card is recommended to handle four simultaneous recording channels.
Key specifications
- Channels: 4 (front, built-in IR cabin, dual waterproof exterior)
- Recording: 4K 30fps front + 2K 30fps x 3
- Sensors: Sony STARVIS 2 IMX678 (front), Sony STARVIS 2 IMX675 (waterproof cameras), OmniVision OS04J10 (cabin)
- Lens angles: front 140°, cabin 210°, waterproof cameras 160°
- Wi-Fi: Wi-Fi 6, 2.4GHz / 5GHz
- GPS: built-in
- Input power: DC 5V / 2A
- Storage: microSD up to 512GB
VIOFO T340WW 4CH 4K front, cabin and dual waterproof dash cam
The T340WW 4CH covers every angle at once — 4K front, 2K cabin, and dual 2K waterproof exterior cameras monitoring the road ahead, the interior, and both sides simultaneously. Built for vans, motorhomes and commercial vehicles.
- 4K + 2K + 2K + 2K recording
- Triple Sony STARVIS 2 sensors
- HDR clear number plate capture
- Power-saving parking mode
- Dual 2K waterproof exterior cameras
- Wi-Fi 6 connectivity
- Instant emergency lock
- Anti-tamper design
- Magnetic front cam CPL
4K clarity and detail
The front camera records in 4K at 30fps with HDR, capturing distant number plates and fast-moving vehicles clearly. Every frame is reliable evidence when it matters.
Cabin and side windows in view
The built-in 210° ultra-wide cabin camera records in 2K with integrated IR LEDs for clear footage day and night. Suitable for rideshare drivers and families needing full interior visibility.
All-weather exterior protection
The two waterproof exterior cameras record 2K HDR footage and are built to handle severe weather and harsh lighting conditions. Solid rear and side evidence against tailgaters and rear-end incidents in any conditions.
Explore the full range in 4 Channel Dash Cams.
Specification
| Channels | 4-Channel (Front + Built-in IR Interior + Dual Outside Waterproof Rear) |
|---|---|
| Chipset | Novatek |
| Sensor | Front - Sony STARVIS 2 IMX678 8MP / Interior - OmniVision OS04J10 4MP / Dual Waterproof Rear - Sony STARVIS 2 IMX675 5MP |
| Video Resolution | Front + Interior + Dual Waterproof Rear - 4K 30fps + 2K 30fps + 2K 30fps + 2K 30fps |
| WDR / HDR | Front HDR + One of Interior / Waterproof Rear 1 / Waterproof Rear 2 HDR |
| Lens | Front - F1.8 Aperture, FOV=140° / Interior - F2.2 Aperture, FOV=210° / Dual Waterproof Rear - F1.8 Aperture, FOV=160° |
| Wi-Fi | Faster Downloads with Wi-Fi 6 & 2.4GHz & 5GHz |
| Parking Mode | Supported (5 Parking Modes - Hybrid Parking Recording / Low Power Impact Detection / Auto Event Detection / Time-lapse Recording / Low Bitrate Recording) |
| Buffered Parking Mode | Supported |
| G-sensor | Off / Low / Middle / High Sensitivity |
| Time-Lapse | Recording Off / 1fps / 2fps / 3fps / 5fps / 10fps |
| Loop Recording | 1 min / 2 min / 3 min / 5 min / 10 min |
| GPS | Logger Built-in |
| Voice Notification | Supported |
| Voice Control | Supported |
| Microphone | Built-in |
| Speaker | Built-in |
| CPL | Front - CPL-700 Included / Interior - Not needed / Dual Waterproof Rear - Not needed |
| Bluetooth | Built-in, support BTR200 (Optional) |
| Hardwire Kit | HK6-F (Optional) |
| Storage | Up to external 512GB microSD Card (Optional) |
| Video Format | MP4 |
| Image Format | JPEG |
| Frequency | 50 / 60 Hz |
| Display | No Display |
| USB Port | USB Type-C Port |
| LED Indicators | Recording LED, Microphone LED, Wi-Fi LED, GPS LED |
| Battery | & Charging NO Battery, built-in Super Capacitor |
| Input Power | DC 5V / 2A |
| Operating Temperature | -20°C~65°C |
| Storage | Temperature -20°C~70°C |
| Size | Front - 5.35 x 2.23 x 2.17 inch / Interior - Built-in / Dual Waterproof Rear - 2.05 x 1.17 x 1.29 inch |
What's Included
- Main Unit (Front + Cabin Camera)
- Waterproof Rear Cameras x 2
- Rear Camera Cables x 2
- Car Charger
- Type-C Data Cable
- Front Camera CPL
- Infrared Cabin Camera Cover
- Tamper-Resistant Cover
- Waterproof Rear Camera Screws
- Tamper-Resistant Cover Screws x 4
- Hex Key
- Trim Removal Tool
- Spare Mount Sticky Pads Set
- Windshield Static Stickers x 2
- Warning Sticker
- User Manual
- Quick Start Guide
- After-Sales Service Card
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About the Viofo T340WW 4CH
From our tech experts at CEN
The T340WW runs the 4K front camera, an infrared cabin camera and two waterproof external cameras on the T340 platform.
Who it suits
Larger commercial vehicles needing two external views plus the cab: box vans, tippers, HGVs and anything where reversing and side visibility both matter.
Our tech experts advise
Four channels need 512GB high-endurance as a sensible minimum. Add the HK6 USB-C hardwire kit for parking mode. We fit multi-channel systems at our Beeston workshop from £120, with cabling hidden and parking mode configured before you collect. See dash cam installation.
Explore the full Viofo range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Viofo
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Frequently Asked Questions
Q: What SD card do I need for this dash cam?
A: Use a high-endurance microSD card designed for continuous recording. Standard cards wear out quickly in dash cams. CEN stocks suitable high-endurance cards, and the maximum supported capacity is listed in the Specification tab.
Q: Does this dash cam record while the car is parked?
A: Parking mode is listed in the Specification tab. Where supported, it requires constant power from either a hardwire kit or a dedicated dash cam battery pack, both of which CEN stocks.
Q: Do I need to hardwire the dash cam?
A: Not necessarily. All dash cams work from the 12V socket for drive recording. Hardwiring hides the cabling and enables parking mode, and CEN offers professional hardwire installation from our Nottingham premises.
Q: Will the footage be accepted by my insurer or the police?
A: Dash cam footage is widely used in insurance claims and can be submitted to most UK police forces through their online portals. Recording quality matters, so check the resolution in the Specification tab.
Q: Front only or front and rear - which should I choose?
A: A front camera covers the most common claim scenarios. A two-channel system adds rear coverage for rear-end collisions and tailgating evidence, which is where many disputed claims arise. Three-channel systems add an interior view, suited to taxi and fleet use.
Q: How many cameras does the T340WW have?
A: Four: a 4K front camera, a 2K infrared cabin camera built into the main unit and two 2K waterproof exterior cameras.
Q: Who is the T340WW designed for?
A: With two waterproof exterior cameras and a cabin camera it suits larger vehicles such as vans, motorhomes and commercial vehicles that need side and rear coverage.
