As these traditional methods of cheating gradually faded out of the rivers and lakes, large-scale, diversified, concealed, gang-like, and specialized high-tech cheating groups have surfaced, greatly increasing the difficulty of preventing personnel and preventing cheating.
The most common means of stealing test questions in high-tech cheating is secret shooting. The device includes a small-sized, high-resolution, highly concealed wireless HD CCD micro-radio camera and a miniature camera, which are often camouflaged in buttons, watches, signature pens, ties, ornaments, USB flash drives, car keys, etc. Shoot in the object. Up to 10 minutes, the content of the sneak shots can be transmitted to the outside of the examination room to complete the splicing combination of related image signals.
The digital receiving tool consists of three parts: LED screen, memory and receiving antenna. Common rulers, erasers, pens, glasses cases, watches and other items may be receiving terminals. The appearance of the ruler, pen, and rubber receiver is almost the same as that of ordinary stationery. The LED screen set can display 20~40 Chinese characters per screen.
The transparent glasses case receives information at a rate of 120 Chinese characters per second. The watch receiver is highly emulated, with a hidden screen that can display 40 Chinese characters or 80 English characters, and instantly convert between the watch and the receiver.
A Phone Screen Protector is an accessory for cell phones, Pads, tablet computers, and other devices that protects the screen and keeping your screen intact.
phone screen protector preserves your screen from scratches that can happen in everyday encounters, not to mention the rough and tumble environment of your bag. You can feel confident knowing your shield may take a beating, but your phone's screen will remain as smooth and clean as the day you bought it .
iPhone 6 plus screen protector makes your lovely iPhone 6 plus Screen Clean and Pristine. It can prevents oils from adhering to your screen which means smudges and fingerprints wipe away easily.
You can get glass phone screen protectors made out of tempered glass. Like with any technology, they have their own pros and cons.
Our screen protector use for , iPhone 6 , iPhone 6 plus , 7 plus , iPhone 8 , 8 plus and etc .
Phone Screen Protector
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