Features： 1、1. Real-time voice monitoring and history tracking: You can listen to the audio sound in real-time through this recorder, or activate automatic recording, record and store each file in the cloud for 15 seconds. It allows you to query the movement route of the locator in the last 3 months. 2、2. Daily activity tracking and positioning: This tracker can record the step data of the last 7 days and easily track past activities. With powerful positioning function, it can be used with GPS, GSM, LBS, WiFi and other methods, such as remote control, one-key search, step counting, etc. 3、3. Easy installation: using magnets, the tracker can be installed quickly and permanently. Just place it on any iron surface and it can be installed. Built-in 500mAh lithium battery, the longest standby time is 10 days, normal working time: 6 days. 4、4. SOS and location query: In an emergency, press the SOS button, the device will send out a call and information to help the guardian. You can check the user's specific location through a mobile phone application or a computer. If it is carried in a child, elderly, bag or car, you can easily find it the first time. 5、5. Anti-interference and electronic fence mode: Once an uninterrupted time range is set through the APP on the guardian's mobile phone, this recorder will protect voice messages and calls. When you focus on the device defining an area on the map, if the tracker moves away from that area, it will immediately sound an alarm. Don't worry about your safety. Specification： Positioning accuracy: 10-50 meters Memory support: 32GB TF card (not included) Platform view: SMS + APP + computer Communication frequency: 850/900/1800/1900MHz Charging voltage: 5V Working temperature: -20-85 degrees Celsius Positioning method: WIFI+LBS+GPS Body memory: 1024M Fully charged usage time: 3-4 days material: plastic Size: 42x26x1 5mm / 1.65x1.02x0.59in Colour: Black Package List： 1*Locator 1*USB cable 1*English manual