Product Features:Real-Time Voice Monitoring and History Tracking: You can listen to the audio sounds in real time through this voice recorder, or activate the auto-recording, which will record and store in the cloud 15 seconds each file. Enable you to inquire the moving routes of the locator in the past 3 months.Daily Activity Tracker and Positioning: This locator can record the step count data in the past 7 days, easily tracking the past activity. Has powerful positioning function, can work with GPS, GSM, LBS and WIFI, such as remote control, one button searching, step counting and so on.SOS and Positioning Query: For emergency, press the SOS button and the device will send out the call and message for help to the guardian. You can check the user's specific location through mobile app or computer whether it is brought by children, the old, in the bag or in a car, you can find them easily as soon as possible.Anti-disturbance Mode and Electronic Fence: Once the no-disturbance time range is set through the APP on the guardian's cell phone, this voice recorder will shield the voice messages and calls. When you center on device to define an area on the map, it will immediately alarm if the tracker is away from the area. No worries about your safety.Low battery Alarm: When the current power is lower than 20%, the Voice Recorder will send alarm information to you, helping you charge it in time.Other Remote Functions: Find the tracker, alarm, shutdown, restart. These functions of a device can be implemented through the guardian mobile phones APP.Note: There will be an extra cost of data usage when you use with the SIM Card.Product Specification:Type: GPS TrackerNetwork: GPS/AGPS/LBS/WIFIBattery Type: 3.7V 500mA Li-ion BatteryCharging Voltage: DC 5VFrequency: 850/900/1800/1900MHzCharging Input: AC 110-220V 50/60HzGPS Positioning Accuracy: About 10mStandby Time: 10 daysWork Time: 4-6 daysExpansion Card: Mini SIM card (Not included)Material: PlasticColor: BlackDimension: Approx. 43 x 26 x 13mmNote:1. This GPS tracker cannot work if a SIM card is not inserted. It can work with or without the mobile APP, so you can have real-time tracking either using SMS or the mobile APP available for Android and iOS.2. Only GSM SIM card works in this model. GPS locator3. Please make sure GSM SIM card supports making calls, sending messages, GPRS network.Package Includes:1xGPS Tracker1xUSB Cable1xManual