Mini Magnetic GPS Tracker Real-time Car Truck Vehicle Locator

(PRELOVED/UNWANTED PRODUCT, OPENED AND DAMAGED BOX)

Specifications:
Appearance size: 3.5cmx2.0cmx1.4cm (LxWxH)/1.38x0.79x0.55"
Charging input: AC 110-220V 50/60Hz
Charging output: DC 5.0V 300-500mA
Machine battery: 3.7V 400mAh Li-ion battery
Standby time: 12 days
Working time 4-6 days
Expansion card: support mini TF card
Continuous call time: 150-180 minutes
Network standard: GSM/GPRS
Storage temperature: -40 C to +85 C
Operating temperature: -20 C to +55 C
Humidity range: 5%-95% non-condensing
GPRS: Upload60, TCP/IP
Working voltage: 3.4-4.2V DC
Standby current: about 2.5mA
Turn on voice control current: about 30mA
Call current: about 150mA
GSM positioning time: 25 seconds
Frequency band: GSM 850/900/1800/1900MHz

Trouble shootings:
1. The host cannot be connected
A: You must insert the SIM phone card and turn it on to enable the phone signal, so you only need to restart the machine. Also, if your phone card is not on the server and there will be no signal.
2. TF memory card can work normally
A: First check if the TF memory card is wrong. If there is no problem with the TF card, you can format the TF memory card and try again.
3. Can't charge
A: To charge, you need to insert a GSM card. If there is no SIM card, it can't be charged.
4. What is the master phone
A: The phone you use to monitor the GPS tracker.