Specifactions:

Mobile Phone GSM SIM Card Sound Monitor  with Voice activated function, Dual band

* This product is using the German military technology, this product has a voice function automatically back out, the size of a small, clear voice, long standby time, simple operation, stable performance, easy installation can be features such as external control, plus a flashlight function, can be used for remote monitoring, the base station location and tracking, home surveillance, automotive anti-theft.
* Network: GSM900 / 1800MHz
* Usage
1) Flashlight: Regardless of the boot or shutdown in the state case on the touch labels can BMW
2) Boot: open the back cover, insert the SIM card holder automatically boot, boot-up indicator light 5-8 seconds until the indicator light means the rear cover can be stamped out after the dial-up use
3) Install: install please note that GSM network  signal strength, do not install in the absence of signal or weak signal areas, so as not to affect the use of the effect of leas can the use of the effect of lead can not be used
4) Number of setting: after you boor to switch out @write phone number location, and then phoned the host number, dialing the machine will automatically hang up a few seconds the opportunity to automatically back out number, no answer at this time, @ will switch out to the location of normality, when the number has been written into the host. As long as the detected sound to the set will automatically dial-up phone
5) Voice-activated functions: @ to switch not have voice-activated switch to manual position@ out at his time there is no sound regardless of the outside will not automatically back out, can only answer a call
6) External control: the machine may require an external control ( such as; human pyroelectric infrared control, RE wireless control, magnetic, mobile, vibration control, plus a single-chip control, etc) to support the external battery