Multi function Anti monitoring Wireless Detector 3GSM GPS Signal Audio Detector Features: Can detect 1.2G ~ 5.8G wireless camera equipment, the magnetic GPS locator and bug in standby mode. Can detect mobile, China Unicom, and Telecom 2G 3G 4G band mobile phone, SIM card bug. Built‑in super bright red LED, you can find out all monitor camera, doorviewer, button and mobile camera etc. Can detect wireless installation of car or office and location tracking error. Suitable for detecting cell phone eavesdropping and radiation from the base station around the residential building. With 10 level digital tube, buzzer mode and vibrate mode, can also used earphone to detect RF signal, without any sound from unit. Built in 1000mA rechargeable polymer lithium battery, operation time up to 4‑5 hours and about 2.5 hours charging time. Specifications: Material: ABS plastic Color: black Frequency Range:1MHZ~8000MHZ Detection Dynamic: >73DB Detection Sensitivity: ≤0.03mv (main frequency band) Detection Range:  2.4G 10 ㎡(standard 10MW), 1.2G 15 ㎡ (10mW) Mobile Phone band: 2G 3G 4G signal, 15 square meters Power Supply: built‑in 3.7v 1000mA polymer lithium battery Working Current: 60~110mA Package list: 1 * Detector 1 * Antenna 1 * Magnetic Field Probe 1 * Charging Cable 1 * User Manual Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.