Spy GPS Portable Tracker

We are offering spy gps portable tracker.
This device is generally used for monitoring children, old people , warehouse security tracking and for pet supervision etc. It has several functions such as long standby duration, exquisite volume, clear voice simple operation, stable performance, easy installation and so on. It has a sos button which is used for emergency call.
Features:
� to on its power, you just need to open the back cover, insert the sim card into the seats, then it will automatically power on. When booting the indicator it will light for 10 seconds after that the indicator will be off.
Â�¢ to support environmental monitoring. Start normally, dial alarm number, it will be easy to perceive sound the situation within 10 meters around the product after waiting for 5 seconds.
Â�¢ support sound control dialing you can use your mobile phone or fixed-line telephone to make the sim card number in the alarm, then hang up the cell phone and the setting is successful. When there is a sound above 45 db within the distance of 10 meters around the product, the phone will automatically call the number you set before back.