Audio surveillance/Audio monitor/sound monitor/GSM monitor

You inserted the SIM card with phone number +86-13811111111(or others) into the Monitor, and then, you can use other any phone to call this number (+86-13811111111) at anythime and anywhere, and you can hear the sound from aroud the Monitor.

For example:

automatically. Then, when you use other any phone to call it at anytime and anywhere, you can hear the sound from around the Monitor. 

*** Instructions *********
Insert any SIM card to the card-connector of the Monitor, then the Monitor is working

*** product functions ********
1. Monitoring and burglarproof
2. Monitoring home, include children and elder and potential burglar.
3. Warehouse monitoring.
4. Automobile monitoring, guarding against theft and location tracing for the automobile.

9. Auto-callback function is optional

8. Product size: L52 x W38 x H16 mm.

6. GSM frequency supported: 900/1800/1900 MHz ( extra 850MHz is optional)
7. Small in size, super-thin design, easy to carry and keep

*** Product Feature ******
1. Global monitor without distance limit.(transmitted by GSM signal)
2. Can use any phone to monitor the sound around this equipment at anywhere when you call the phone number of the SIM card which inserted in this equipment.
3. Long-time of last work time (approx 1 week)
4. Double-head design to make the sound super clear.
5. Support the external battery.

Audio surveillance/Audio monitor/sound monitor/GSM monitor/SIM Card wireless monitor:

Audio surveillance/Audio monitor/sound monitor/GSM monitor/SIM Card wireless monitor:
New, Fashion, strong function.