1.Auto Search: if you want to check room or car safe or not, you can put it in one room or car, then open the auto search, it will search automatically, once received one time of signal, the light bars will light one, if received 6 times, the light bars will light at 6 lights, then it will sound alarm to remind you that there is a suspicious signal.
2.Signal Detector with wide frequency(1MHz-12GHz): Once there is a suspicious signal, you can use it to detect it.
3.GPS Tracking Finder: Once there is a suspicious signal in your car, you can use the detector to find it out with magnetic light.
Cellphone Signal 2G, 3G, 4G: 5--25 square meter
Working Current: 25-35mA
Last Time: 20-45H
1 x User Manual