* 3.5mm line OUT jack to record the audio to DVR or similar audio recording device

* Professional grade audio bug with up to 2800 meter wireless transmission!

* The transmitter is small enough to hide almost anywhere

* Complete Audio Bug Spy Gadget with real-time audio

* Clear audio reception without any distortion or noise

* Easy wirelss audio transmission system

* HD sound quality

* Tiny size wireless voice transmitter

* Handheld wireless voice receiver

* Wireless voice transmission range: up to 500 meters in open space

* 3.5mm audio output port for headset or external voice recorder

* Built-in rechargeable Li-ion batteries for both transmitter and receiver

* Rugged design handheld receiver

* The first real four frequency GSM/AGPS universaltracking device
* AGPS/GPRS track, location SMS including longitude, latitude and address information, also have maps site URL
* Vibration sensor alarm
* Voice sensor alarm
* SOS function
* Headphone talk
* GSM bug function
* Remote network signal/battery/alarm status check
* Low battery remind
* Can set alarm interval
* Frequency: 850/900/1800/1900MHZ