CR21 4K Wi-Fi Dash Camera, Rear Camera and GPS Kit Options
Keep a journey record you can review on your phone after parking. The CR21 4K dash camera works with the Viidure app and offers front-only or front-and-rear packages. It is for drivers choosing their recording views, storage and optional GPS equipment.
- ✅ Review a drive without removing the card — Local Wi-Fi connects the recorder to the Viidure phone app.
- ✅ Check framing before you set off — The built-in screen gives you a view at the camera.
- ✅ Choose which directions to record — Front-only and rear-camera packages offer different camera arrangements.
- ✅ Keep routine recording running — Loop recording replaces older unprotected files when storage fills.
- ✅ Revisit a route alongside a clip — GPS-labelled packages add the external module for compatible track playback.
Build your recording setup around the right package
The CR21 records a 3840 × 2160 front view, with a built-in screen for checking the picture. Packages labelled 1080P Rear add a 1920 × 1080 rear camera; CR21 No Rear is a front-only choice. An adhesive-style windscreen mount keeps the front unit in place while the rear camera, if selected, requires its own cable route.
Choose None, 32, 64 or 128 GB for storage. A None option contains no memory card; recording requires a suitable U3/Class 10 card. Connect to the camera's local Wi-Fi in Viidure when parked to view or download files. This nearby connection is not remote internet access, and important footage should be exported rather than left in the loop.
GPS-labelled variants include the external GPS module, allowing route data to be reviewed with compatible GPS playback software. BL identifies the Buck Line hardwire accessory. Parking and time-lapse operation require that matched kit and correct vehicle installation; choose a qualified installer for the ACC and battery connections. A package without BL or GPS does not include those extras. The recorder is cord-powered, without an included battery.
Choose the camera package carefully: the rear unit and GPS module are variant-specific.
The compact front recorder has a built-in screen; a rear camera belongs to rear-camera packages.
Use Viidure over local camera Wi-Fi to review recordings after parking.
Front recording is 2160p; the optional rear camera records at 1080p.
Route playback requires a GPS-labelled package and compatible playback software.
Rear-camera packages record a second view through a separately installed camera.
Loop recording replaces older unprotected files to reuse card space.
G-sensor file locking can keep triggered clips separate from ordinary recordings.
GPS and the rear camera are included only with the matching package selection.
Light and vehicle movement affect the detail visible in recordings.
Parking operation needs the BL hardwire accessory and correct installation.
The Buck Line accessory converts the vehicle supply for the camera; it is not included in every kit.
ACC, battery and ground connections need to suit the vehicle and supplied kit instructions.
Time-lapse operation requires the appropriate BL kit, rather than standard switched power.
Route the rear-camera cable to a suitable mounting position; no weatherproof rating is confirmed.
Technical details
- Model: CR21 dash camera with built-in screen
- Front recording: 3840 × 2160, 30 fps specified
- Rear recording: 1920 × 1080; rear-camera packages only
- App: Viidure for iOS/Android via local Wi-Fi
- Camera options: No Rear, 1080P Rear and BL/GPS combinations as labelled
- Card choices: None, 32, 64 or 128 GB; U3/Class 10 required
- GPS: external module included with GPS-labelled packages only
- BL accessory: Buck Line hardwire kit in BL-labelled packages only
- Power: corded electric; battery not included
- Parking/time-lapse: matched BL kit and correct vehicle installation required
Choose the views, card capacity and optional modules you need, then make your next journey easier to review.
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