New four frequency strength voice GSM Bug
Product support a the GSM850/900/1800/1900 network and GPRS standard four frequency, and can switch seamlessly between different networks. Compact; signal; voice; stable performance; the long standby; globally it is these features the biggest advantage.
Power On: Open the back cover, the SIM card inserted into the card holder automatically boot until the indicator goes off, you can use
Monitoring To Detect: Normal boot, when necessary monitoring tools can dial the dial is turned to hear the status of the location around 10 meters
Electricity the query instructions: hair "power" command, such as the user edit SMS "power" to the alarm, the alarm will detect electricity accordance with different power will return the following SMS:
"Tracker battery full" (said the aircraft battery is full)
"Tracker battery half" (aircraft power medium)
"Tracker battery low" (low power consumption of the aircraft should be promptly charged)