Accurate Location:We use GPS Positioning and Orientation of AGPS, LBS Base station, WiFi Indoor Accurate Positioning</br>Inter-phone: Watch talk to mobile phone. App sent voice: After turn on record function. App start to record and sent to watch. The longest voice can be 15s. Short press SOS button to play record. Watch record: Long press ON button, release then sent record voice,The longest record time is 15s</br>Phone call: Families can call watch terminal,There are 2 family dial key.Dial out when long press. Family number1 corresponding to SOS1 number. Family number2 corresponding to SOS2 number</br>Map：Real-time Check the Watch's Location.The Map Menu Display the Watch and APP Mobile Phone Position.Watch Start to Count for 3 Minutes by Click "Location". The Interval Time for Upload is 3s. After 3 Minutes it Will Back to the Default Work Style. We can Know the Pattern of the Watch Location in Real-time on the Map Menu</br>Electronic Fence: On this Function, Families can Set Up a Zone, Which be Centred on the Watch. Once Out of this Zone, it will Alert by APP and SMS</br></br>Product Description</br></br>This smart kid anti lost watch is fully functional, including GPS + base station + wifi, Mobile phone or Computer GPRS service platform, SOS Emergency Call, GPRS real-time location,trace, monitor, Take Off Alarm, Telephone book and Voice Intercom and so on. These functions will strengthen you and child's relation, make you know the latest location of your kids anytime anywhere.<br><br><b>Specifications:</b><br><br>Operating System:MTK G<br> Language: English, chinese Multilanguage<br>Chip Type: MTK 6261<br>CPU main frequency: 364MHz<br>GPS Chip:MTK 3337<br>Battery Capacity: 300mah<br>horn:An 8 Ω 0.5 w/speaker<br>Microphone: A built-in hi-fi MIC<br>Communication: GSM、GPRS<br> bluetooth: BT3.0<br>Positioning: GPS positioning and orientation of AGPS, LBS, base station, WiFi indoor accurate positioning<br>GPRS: Class12<br> GPS channel number: 22 channel.<br> GPS chip receiving sensitivity: Tracking: - 165 DBM, capture: - 148 DBM.<br> GPS accuracy: 5-15M.<br> Base station positioning accuracy: 100-1000M<br> The average standby current: less-than 3 mA<br> The average working current: about 55mA.<br>The fuselage interface: Micro USB interface * 1<br> Physical buttons: Switch on/off button and SOS button, volume +, volume -<br> Overall Dimensions: 38 x 24.6 x 10.7 mm.<br> Package Weight: Approx.165g/5.84oz<br><br><b>Features:</b><br><br>GPS + base station + wifi, three loctation modes.(wifi need hardware to support).<br> Mobile phone or Computer GPRS service platform, double control modes.<br> GPRS real-time location, trace, monitor.<br> Phone book,talkback, Health,Trace.<br> Watch alarm, safety area and SOS emergency alert.<br> Watch remove alert, low power alarm and remote power off.<br><br><b>Package List:</b><br><br>1 * GPS Smart Watch<br>1 * USB Cable.<br>1 * Charging protection cover.<br>1 * User Manual.</br><br/>http://www.amazon.com/gp/product/B01EX66IJI