Descriptions: ZGPAX S22 PG22 GPS Tracking Watch Phone has 0.66-inch LED Screen with 370mAh Battery . It's powered with MTK6260-364MHz CPU to insure the watch phone running stably. It supports easily locate, SOS distress, regional fence, bidirectional, real-time guardianship, track playback, call back, low power reminder, low radiation, RTLS etc. Product parameters: Model ZGPAX S22 PG22 Screen Size 0.66-inch Size 32.5*23 mm Weight 41g CPU MTK6260-364MHz SIm card Single micro sim card Network model GSM Band 2G: GSM 850\/900\/1800\/1900 MHZ Data Service GPRS Color Blue, pink,black,yellow Battery Built-in 370mAh Standby time Up to 53 hours Talk time Up to 6 hours GPS and LBS tracking way Yes GPS Positioning accuracy to 5 to 15 m LBS Positioning accuracy to 100 to 1000 m GPS chip GPS MTK3337 Tracking online Yes Replaying of historical running data Yes Electronic fence Yes Remote monitoring Yes SOS emergency call Set SOS phone No., long press SOS button for 3 sec will call to admin phone no. SMS tracking Send SMS to watch to get the watch's position. PC,smart phone tracking APP download by QR-code LBS tracking If not have gps signal, auto change to tracking by LBS Package included 1 X ZGPAX S22\/PG22 1 X USB Cable 1 X Charger 1 X User Manual