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PROTECT line consists of portable DVR cameras dedicated for indoor use (including applications in vehicles). High quality video captured by the cameras and audio from the built-in microphones are directly recorded on inserted SD/SDHC/MMC cards (1...64 GB).
The PROTECT line consists of 3 models:
 |  | |
Protect 501 | Protect 520 | Protect 701 |
The three different models have several characteristics in common: can record high resolution images (in 720p or SXGA resolution) in the common AVI format on inserted SD/SDHC/MMC memory cards; the frame rate of the recorded video can reach 30 fps (which guarantees excellent smoothness); each model is equipped with a suction cup with a handle (to be mounted on flat surfaces, such as glass, polished or enameled metal), 12-24 VDC / 5 VDC power supply with plug for cigarette lighter outlet, and a USB cable to connect the device to a PC.
The set of cables supplied with Protect 501, 520, 701
Parameters of the devices make them very versatile tools for monitoring of sales outlets, interiors of vehicles, environments around vehicles (recording of various events through the front or rear window), and for many other purposes that require mobile equipment. Their fixed lens with very little distortion ensure very wide, 120-degree viewing angle. For comparison, the perception of the human eye is limited to an angle of 90 degrees. So, when installing such a camera by the rear-view mirror, it sees the road and shoulder. High-sensitivity CMOS image sensors ensure clear video even in low-light conditions.
The video recording can be carried out in two modes: continuous or triggered by motion detection. In the latter case, the DVR records the video until manual stop or for a predefined period of one clip (2, 5, 15 minutes). The recording is possible at any moment, or only when the DVR is connected to an external power source (for example, it can be activated only after the vehicle's engine has been started).
A screenshot from the video captured by Protect 710 mounted on the windshield of a car
Installation and operation of the devices is intuitive - the instructions are clearly written out, function keys allow for easy control and navigation through menus. The status of recording is displayed as an icon on the LCD screen or, when it is closed, indicated by a discreet LED.
Application of a Protect DVR camera for capturing driving events.
The red line shows the viewing angle of the camera, the yellow one - of the driver.
The red line shows the viewing angle of the camera, the yellow one - of the driver.
The economical Protect 501 M70501 provides the core functions of the series. Its maximum recording resolution (with the use of MPEG-4 compression) is SXGA (1280x960). The scene captured by the DVR camera can be monitored on its 2.5" LCD screen. The camera uses 1/4'' CMOS 720x576 image sensor and built-in rechargeable battery.
Protect 520 M70520, having all the features of the Protect 501 M70501 model, additionally allows the user to adjust the rotatable LCD screen, as well as to make use of the built-in IR illuminator. The IR illuminator switches on automatically in low light, ensuring clear visibility e.g. inside a car at night (this function can be turned off). Protect 520 uses detachable BL-4C battery. This very popular type of rechargeable battery is also available on the market in versions with increased capacity.
Protect 701 M70701 is the highest model in the series. It has been equipped with very sensitive 1/4'' WXGA HD CMOS sensor providing excellent video with HDReady 720p resolution. In contrast to the lower models, the video is compressed using H.264 algorithm, which allows for longer recording time. For example, a 32 GB SDHC card can hold over 11 hours of the video footage. The built-in HDMI port allows the user to connect the camera DVR to a suitable monitor/television and directly play the recorded material.
The comparison table:
| Model | PROTECT 501 | PROTECT 520 | PROTECT 701 |
| Code | M70501 | M70520 | M70701 |
| View |  |  |  |
| Recording resolution | 1280x960 (software interpolation), 720x480, 640x480 | 1280x960 (software interpolation), 720x480, 640x480 | 1280x720, 848x480, 640x480 |
| Frame rate (max) | 30 fps (each resolution) | 30 fps (each resolution) | 10 / 20 (1280x720), 30 fps for the rest |
| Video compression | MPEG-4 | MPEG-4 | H.264 |
| Image sensor | CMOS 1/4'' 720x576 | CMOS 1/4'' 720x576 | WXGA CMOS HD 1/4'' 1280x720 |
| Audio recording | YES (built-in microphone) | YES (built-in microphone) | YES (built-in microphone) |
| Motion detection | YES | YES | YES |
| Recording modes | continuous, by motion detection, by external power supply | continuous, by motion detection, by external power supply | continuous, by motion detection, by external power supply |
| Internal memory | NO | NO | NO |
| IR LEDs | No | YES | YES |
| External memory slot | For SD/SDHC/MMC 1...64GB | For SD/SDHC/MMC 1...64GB | For SD/SDHC/MMC 1...64GB |
| Video clip length | 2/5/15 minutes | 2/5/15 minutes | 2/5/15 minutes |
| File format | AVI | AVI | AVI |
| Interface(s) | USB 2.0 | USB 2.0 | USB 2.0, HDMI |
| Viewing angle | 120 degrees | 120 degrees | 120 degrees |
| LCD screen | YES, folding | YES, folding, rotatable (270 degrees) | YES, folding, rotatable (270 degrees) |
| Still images | YES, 1280x960 / 640x480 | YES, 1280x960 / 640x480 | YES, 1280x960 / 640x480 |
| Power supply | 5 VDC; DC/DC adapter: 12-24 VDC to 5 VDC - for cigarette lighter outlet; rechargeable battery | 5 VDC; DC/DC adapter: 12-24 VDC to 5 VDC - for cigarette lighter outlet; rechargeable battery | 5 VDC; DC/DC adapter: 12-24 VDC to 5 VDC - for cigarette lighter outlet; rechargeable battery |
| Rechargeable battery | internal, Li-Ion 800 mAh | internal, detachable, Li-Ion 800mAh | internal, detachable, Li-Ion 800mAh |
| Included accessories | 12-24 VDC / 5 VDC adapter, suction cup with a handle, USB cable | 12-24 VDC / 5 VDC adapter, suction cup with a handle, USB cable | 12-24 VDC / 5 VDC adapter, suction cup with a handle, USB cable |
| Working environment | inside vehicles or in rooms | inside vehicles or in rooms | inside vehicles or in rooms |
| Dimensions | 100 x 62 x 27 mm | 100 x 62 x 27 mm | 100 x 62 x 27 mm |
| Weight | 0.40 kg | 0.40 kg | 0.40 kg |
| Certyfikates | CE, ROHS | CE, ROHS | CE, ROHS |
All three models can also record audio from their built-in microphones. They may also work in still camera mode. The pictures have maximum resolution of 1280x960 pixels.
Protect camera DVRs can only record the video and audio from their built-in cameras and microphones, there is no possibility of connecting external signal sources.
