brand new and high quality Features: Small size, light weight and easy to carry. Black for shell, easy to hide, perfect tracking of vehicles, teenagers, spouses, old people or assets. There are two powerful magnets inside, which are easily attached to the vehicle without additional installation. All you need is a job SIM card (excluding ) To insert into the device, you can track and map on the Internet in real for time (Google map). By dialing the SIM card number, you can hear the sound around the tracker, no lights, no noise, you can monitor and secretly monitor what happens around the tracker. This tracking device sets all functions of security, tracking, monitoring, emerhency alarm and management. This product has two powerful magnets built in, no need to worry about the problem of placement, as long as there is metal place can be directly put up. Function Instructions: Record: Send number 555 to alarm phone, begin to record. Sound monitoring: Send number 666 to alarm phone GPS track: Send number 777 to alarm phone, the phone receive geographic position and map link. Positioning trajectory: Send number 102 to alarm phone. Delete Memory Card Content: Send Number 445 to alarm phone. Reboot the phone: Send number 999 to alarm phone, start success after 1 minute. Reset the phone: Send number 444 to alarm phone. Specification: Item type: Tracking Device Network type: GSM/GPRS Working voltage: 3.4-4.2V for DC Power Output: DC5V, 300-500mA Battery Capacity: 3.7V 400mAh Li-ion Battery Frequency of communication: 850/900/1800/1900Mhz Charging input: Input AC110-220V 50/60Hz Storage temperature: -40 to +85 Operating temperature: -20 to +55 Expansion cards: Mini TF card Continuous calls: 150-180min Humidity range: 5%-95% non-condensing GPRS: Upload 60, TCP/IP for Shell material: Plastic Dimensions: 35x20x14mm/1.38x0.79x0.55inch Color: Black Quantity: 1 Set Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 x GF-07 Mini GPS Tracker 1 x USB Cable 1 x User Manual