1MHz-12GHz Multi-functional Detector Anti-Spy Anti-Monitor, Anti-Tracker 16GB Memory Space: Supports up to

Memory Space: Supports up to 128GB MicroSD Card (Sold Separately)

Maximum capacity of memory card  128GB

the light bars will light one

Built in 6000Mah backup Battery

Quad Band: WCDMA supports HSDPA/UMTS/EDGE/GPRS/GSM

1MHz-12GHz Multi-functional Detector Anti-Spy Anti-Monitor, Anti-Tracker 16GB Memory Space: Supports up toFunctions 1. Auto Search: If you want to check the 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,