Dimension: 90*44*10mm Weight: 40g Operating voltage: DC3.7V---5V Operating temperature: -3050 Relative humidity: 5%85%RH Way of positioning: GPS+CDMA base stations Positioning accuracy: 5m(GPS positioning)5m-100m(base station positioning) Inquiry: Webtext messagescustomer services Monitoring scope: A radius of 5m Battery type: Lithium-polymer battery Standby time: 120h-144h Charge way: AC110V-240V 50/60Hz charging or DC5V USB cable charging Communication network: CDMA network Attention: UIM card is necessary SHW-302 portable tracker/locator adopts advanced technology----GPSone, combined with self-designed antenna to achieve a good positioning performance. The principle is the use of the satellite mixed with base station positioning, using GPS when having satellite signals; Using base station when no GPS signals. It is easy to operate for personal use. Customers can mange it by themselves completely. Characteristics: 1. A new generation portable tracker/locator: It can be sued to locate and track the users exact site at any time by the Internet, mobile phone text messages and customer services. 2. Intelligent dual-network accurate positioning: Advanced dual-network positioning technology, combined effectively with GPS satellites and Unicoms CDMA base stations to reduce the blind spots and get a more precise positioning. 3. National seamless coverage: National precision vector map to update in time; More comprehensive information points. 4. Intelligent chips: Adopt the United States advanced technology GPSone positioning chip, a higher degree of integration, more stable performance. 5. Fashion appearance, versatile colors, small and exquisite: Small volume, thin thickness, rich colors look more fashionable and lively. 6. Green, ultra-low power: Humanity design, low radiation, low power, healthier, more PRO-environment, ultra-long service life. 7. Audio monitoring: Achieve the functions of audio monitoring at any time, more accurate understanding the users surrounding environment, making the user safer and more convenient. Functions: Positioning, tracking and audio monitoring Application Scopes: The elderly, children, patients, patrol inspection, check on work attendance for staff out monitoring.