Cell phone detector

Cell phone detector (Portable)
This new portable 2G & 3G Cell phone detector is made for detecting CDMA 800MHZ, GSM 900, 1800 MHz & 3G (WCDMA, UMTS) 2100 MHz cell phone. It is the only one of its kind to real detect 3G signal up to 20 meters.
This Cell phone detector is nice for use in military base, prison, school, etc. to help monitor and counteract the illicit use of cell phones.
This device has its internal battery can last up to 6 hours in standby mode. When the battery runs down, the battery low warning will light up in red to notice the user to recharge the battery.
This device is CE approved and 100% legal use in the entire world.
Specifications:
Size: (L)150 x (W)80 x (T)30 (mm)
Weight: about 310g (included batteries)
Power: Built-in rechargeable battery & Switching power adaptor
Visible and audible alarm
Sensitivity turner for setting detecting distance
Detected distance for cellular phone: up to 20 meters

Features:
Detects CDMA 800MHZ,GSM 900 MHz, GSM 1800 MHz and 3G 2100 MHz
Without interfere with 2-way radio, cordless phone, wireless camera or body bug, etc.
Without interfere with Wi-Fi or DECT wireless phone system.
CE approved 100% legal use in the entire world.