Features:1.Small size and light weight, easy for carry.2.Black shell, perfect for tracking vehicles, teens, spouses, elderly persons or assets. With two powerful magnets inside, easy to attach to vehicle firmly, no extra installation need.3.All you need is a working SIM card (NOT included!) to insert into the device, then you can track and map (with Google Maps) in real-time over the Internet.4.Dial SIM card number, then you can hear voice around this tracker, with no light and no noise, you can monitoring and spy what's going on around the tracker silently and secretly.5.Voice Recording Function: Send text message 555 to SIM card number, it will reply a message “Snd” and start recording,SIM card and TF card are not included.Descriptions:Waterproof function without antenna type GNSS external power supply form built-in power interface text Chinese English type portable  .Rechargeable, strong magnetic adsorption, recordable, anti-lost positioning for elderly childrenSpecifications:Color: blackMaterial: PlasticSize(approx):35*20*14mmGPS positioning accuracy: about 100mExpansion Card: Mini TF cardAntenna Type: GSM/GPRSGSM Band: 850/900/1800/1900MhzGMS Locating Time: 25 SecondsPower Input: AC 110-220V 50/60HzPower Output: DC5V 300 - 500mABattery Capacity: 3.7V 400mAh Li-ion BatteryWorking Voltage: 3.4 - 4.2V DCStorage Temp.: -40 to 85 celsiusOperation Temp.: -20 to 55 celsiusHumidity: 5%-95% non-condensingStandby Current: About 2.5mASpeaking Curret: About 150mAPackage Included:1x Mini Magnetic GPS Tracker(SIM card and TF card are not included)1x USB Charging Cable1x English User Manual

Notes:1.Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2.Please allow slight dimension difference due to different manual measurement.