Two-way mode sound activated GSM voice bug with Call back function /listening device/audio monitoring
This two way GSM audio spy device calls you from anywhere in the world when it detects sounds around its vicinity. How awesome is that? Simply insert a GSM SIM card and program it to your desired phone number for call back and start doing your spy business from anywhere in the world!
Trying to find out the truth about what's being said behind your back? Now you can and from anywhere in the world. You can even place several spy audio devices and set them up at your desired locations like your bedroom, living room, conference room or office. Just insert a SIM card into the audio spy device, send a text message containing the activation word, followed by your cellphone number from your mobile phone, then your bug is active and ready for action! Then your bug is active and ready for action! The product that supports the four global standard GSM frequencies (Quard-band 850MHz, 900MHz, 1800MHz & 1900MHz), so you can be confident of it working mostly place in the world. )
This two-way audio spy device comes with a manual switch located next to the SIM card slot. Switching ITEM DESCRIPTION to option (A) only allows you to call the spy audio device and listen in to conversations that are being detected. Option (B) allows the spy audio device to call you when it detects sounds, or if people are talking, while still allowing you the freedom to call the device and listen in to who's talking.
Features:
GSM voice/Audio monitor Bug
Built-in bettery
Voice actived
Call back function/dialingback
Smallest security device
GSM bug with sound activation function ( insert the GSM SIM card) GSM
Bug band: 850Mhz, 900Mhz,1800Mhz 1900Mhz (Quard band)
Voice activation, you can call back your phone automatically when the sound arround it up to 45DB
You can send message command or cancel voice activation function by easy SMS "1111" or "0000" only.
Standby time: 2-3 days (If Acoustic Alarm function Off, standby time: 10-12 days)
SIM CARD MUST BE UNLOCK FROM PIN NUMBER (otherwise it cannot works with the bug deivce)
Such as in UK, O2 sim card locked with pin number, so it does not support any bug devices...but Vodafone in UK works perfect, because its sim card is unlocked...