1. Accurate detection: can be keenly aware of all kinds of hidden cameras and eavesdropping devices, accurate positioning, to protect the privacy of the space safe and secure. 2. Easy to operate: no need for complex professional knowledge, a few simple steps to operate, easy to start, novice can also quickly complete the scan. 3. Easy to carry: compact and lightweight, portable, whether traveling to live in the hotel, or daily office, open the test anytime, anywhere, multi-scenario: applicable to hotels and lodgings, rental houses, locker rooms and other places vulnerable to prying eyes, all-round protection of privacy. 4. Fast scanning: a short time to complete a large area scanning, efficient screening, saving time and energy.