You are most concerned about several problems:

1, bought this after the monthly need how many expenses?

Answer: buy now this product, computer platform, mobile app and micro channel check vehicles, giving all, lifelong and free, you need to pay the cost of just equipment of mobile traffic card monthly 30m traffic charges (usually 5 yuan monthly, to buy the store cards cheaper), if the need to monitor power and SMS alarm function will generate the communication fee is generally a hair a, monitor and call charges.

2, how to use this device?

Answer: the equipment installed in the car hidden place, and then through the computer to access the platform or mobile phone

By installing the software or WeChat query related location information and send operation instructions.

3, the machine supports what card, 30M flow enough?

Answer: machine support mobile and Unicom 2G SIM card does not support Telecom Card, card machine in the phone traffic is to the platform to send the location information, monitoring and alarm function, we query is query on the platform, independent of flow and equipment, open 12 hours a day need to upload location information flow about 22 trillion, 30 trillion package enough to use.

4, the flow card is what card?

Answer: is a mobile phone card, opened 30M traffic, the cost will be on the line directly on the line, just like to recharge their mobile phone.